Dandolo ( DO, I.16)
Dandolo

Type	Ocean going
Class	Marcello (12)
Laid down	14 Jun 1937	Cantieri Riuniti dell'Adriatico, Monfalcone
Launched	20 Nov 1937
Commissioned	25 Mar 1938
End service
Stricken	1 Feb 1948
Loss date
Loss position
History	In June 1943, was proposed as a transport submarine, code name "AQUILA XI". Stricken on 1st February 1948.
Fate

Commands

Commander	Date from	Date to	Command notes
C.C. Riccardo Boris	16 Dec 1939	10 May 1941
T.V. Walter Auconi	11 May 1941	25 Feb 1942
T.V. Gaetano Di Meglio	26 Feb 1942	11 May 1942
S.T.V. Sergio Gamba	12 May 1942	23 Jun 1942
C.C. Alberto Campanella	24 Jun 1942	24 Aug 1942
S.T.V. Sergio Gamba	25 Aug 1942	31 Aug 1942
C.C. Alberto Torri	31 Aug 1942	18 Sep 1942
T.V. Giacomo Scano	18 Sep 1942	11 Mar 1943
T.V. Aldo Turcio	18 Mar 1943	31 Dec 1944
C.C. Leone Monteleoni	1 Jan 1945	9 Feb 1946

Ships hit

	Date	Commander	Ship hit	Type	GRT	Nat.	Loss type
1.	21 Aug 1940	C.C. Riccardo Boris	Hermes	Tanker	3,768		Damaged
2.	26 Aug 1940	C.C. Riccardo Boris	Ilvington Court	Cargo ship	5,187		Sunk
3.	31 Jan 1941	C.C. Riccardo Boris	Pizarro	Cargo ship	1,367		Sunk
4.	4 Nov 1941	T.V. Walter Auconi	Le Tarn	Tanker	4,220		Damaged
5.	8 Nov 1941	T.V. Walter Auconi	Oropesa	Cargo ship	6,600		Sunk

Patrols and events

	Commander	Date	Time	Port	Arr. date	Arr. time	Arr. port	Miles	Description
1	Boris, Riccardo	5 Jun 1940	2000	Naples	17 Jun 1940	1820	Naples	1926,4	Patrolled 13 miles southeast of Cape Palos, Spain.
		13 Jun 1940	0725 0940 (e)	37° 00'N, 0° 17'W (e) 37° 10'N, 0° 10'E (0) 120° - Cape Palos - 46 miles.	At 0644 hours, the hydrophones had detected an enemy formation. At 0713 hours, it was recognised as three cruisers screened by destroyers. Twelve minutes later, two torpedoes were fired from the bow tubes (533mm) at a distance of 1,600 metres aimed at the third cruiser. They missed. These were the French light cruisers of the Third Squadron, La Galissonière, Jean de Vienne, Marseillaise (Flagship Rear-Admiral André Amédée Abel Marquis), escorted by destroyers Brestois and Boulonnais. They were alerted by two of their float planes and took avoiding action. One torpedo passed between La Galissonière and Jean De Vienne, missing the latter by 20 meters ahead.
		13 Jun 1940	0725+ 0625 (e)	37° 00'N, 0° 17'W (0) 45 miles SE of Cape Palos.	The French cruiser squadron had sent two float planes to scout ahead, HS 35 from La Galissonière and HS 36 from Jean de Vienne. HS 36 sighted the periscope on the port side of the 3rd D.C.T. and dived on it without attacking it as the aircraft was armed with bombs. As HS 35 also closed, she sighted the launching of the two torpedoes and dropped a bomb. The submarine was going deep after firing her torpedoes and had just reached a depth of 20 meters when she was badly shaken by the bomb. La Galissonnière dropped 12 depth-charges and the French Admiral ordered the destroyers of the 5th D.C.T. (Brestois and Boulonnais) to hunt the submarine. They dropped each three grenades without result, the submarine had gone down to 118 meters. At 0702 hours, the destroyer Typhon, who was also escorting the battleship Provence, sighted a bubble attributed to a torpedo launch and dropped six depth-charges without result. Dandolo reported them at 0809 hours (Rome Time) to her starboard side.
	Boris, Riccardo	21 Jun 1940	2000	Naples	21 Jun 1940	1820	Naples	1,5	Docked?
	Boris, Riccardo	24 Jun 1940	1337	Naples	24 Jun 1940	1403	Naples	1,5	Undocked?
	Boris, Riccardo	27 Jun 1940	0930	Naples	27 Jun 1940	1325	Naples	21	Trials.
2	Boris, Riccardo	27 Jun 1940	1835	Naples	16 Jul 1940	0820	Naples	2990	Sailed with Barbarigo and patrolled in 36°20'N, 01°40'W near Cape Palos and Cape De Gata.
		3 Jul 1940	1910-2140	(0) Near Cape Palos.	An enemy escort vessel dropped depth-charges on the submarine.
	Boris, Riccardo	22 Jul 1940	1100	Naples	22 Jul 1940	1130	Naples	0,8	Docked?
	Boris, Riccardo	28 Jul 1940	0715	Naples	28 Jul 1940	0815	Naples	0,8	Undocked?
	Boris, Riccardo	6 Aug 1940	0900	Naples	6 Aug 1940	1711	Naples	29,5	Trials.
3	Boris, Riccardo	8 Aug 1940	2240	Naples	10 Sep 1940	1620	Bordeaux	4267,2	Passage to Bordeaux and patrolled between 36°00'N and 38°00'N. Passed Gibraltar on 16th August 1940.
		21 Aug 1940	2345 2050 (e)	36° 57'N, 13° 37'W (e) 36° 56'N, 13° 15'W	At 2030 hours, a tanker estimated at 10,000 tons or more, was observed on a 250° course. The submarine trailed her until 2345 hours, when a single torpedo (533mm, W type) was fired and hit the target. This was the Dutch tanker Hermes (3768 GRT, built 1914) proceeding to England. The torpedo caused a large hole on the port side forward. She was abandoned but, as she did show any sign of sinking, the crew returned on board and brought her to Lisbon. There were no casualties.
		26 Aug 1940	2000	37° 13'N, 21° 43'W (e) 37° 10'N, 21° 50'W	At 1800 hours, a steamer was observed zigzagging and Dandolo maneuvered to take a position ahead of her for attack. She appeared to be an 8,000-ton armed steamer. At 2000 hours, a single torpedo (533mm, W type) was fired and struck the vessel in the aft hold and she sank in ten minutes. The victim was the British Ilvington Court (5.187 GRT, built 1919) carrying a cargo of iron ore from Freetown to Cardiff. Her crew of forty-six managed to reach Santa Maria Island (Azores) on 29th August.
	Boris, Riccardo	29 Sep 1940	0925	Bordeaux	29 Sep 1940	1010	Bordeaux	0,5	Docked?
	Boris, Riccardo	2 Oct 1940	1010	Bordeaux	2 Oct 1940	1030	Bordeaux	0,5	Undocked?
	Boris, Riccardo	11 Oct 1940	1615	Bordeaux	11 Oct 1940	1900	Bordeaux	20,5	Trials.
4	Boris, Riccardo	12 Oct 1940	1540	Bordeaux	15 Nov 1940	1815	Bordeaux	4419,3	Sailed for Atlantic patrol between 55°20'N and 56°50'N, and between 20°00'W and 23°55'W.
		20 Oct 1940	1855	53° 12'N, 25° 34'W	A steamer proceeding alone was sighted at a distance of 8,000 metres. The submarine attempted to close but was thwarted by the heavy seas and gave up the chase.
		27 Oct 1940	1750	55° 36'N, 21° 46'W	On receipt of a signal from a U-boat, at 1300 hours, reporting a convoy in 56°15' N, 16°15' W, the submarine took an interception course. Nothing was seen and at 0620 hours on the 28th, the chase was abandoned.
		31 Oct 1940	2130	55° 46'N, 22° 04'W	Dandolo received a signal from Malaspina (timed 1630/31) reporting a convoy in 57°15' N, 21°15' W and altered course to intercept. Heavy seas forced the submarine to abandon the chase.
		1 Nov 1940	0927	55° 52'N, 20° 54'W	A lone steamer steering 030° was sighted at 5,000 metres. Because of visibility conditions, C.C. Boris elected to intercept, submerged at full speed on electric motors, but could not catch up.
	Boris, Riccardo	16 Nov 1940	0830	Bordeaux	16 Nov 1940	0945	Bordeaux	1,5	Docked?
	Boris, Riccardo	29 Nov 1940	0830	Bordeaux	29 Nov 1940	0945	Bordeaux	0,5	Undocked?
	Boris, Riccardo	10 Dec 1940	1400	Bordeaux	10 Dec 1940	1445	Bordeaux	0,5	Docked?
	Boris, Riccardo	15 Dec 1940	1500	Bordeaux	15 Dec 1940	1540	Bordeaux	0,5	Undocked?
	Boris, Riccardo	17 Jan 1941	1145	Bordeaux	17 Jan 1941	1215	Bordeaux	0,5	Changed moorings?
	Boris, Riccardo	18 Jan 1941	1415	Bordeaux	18 Jan 1941	1445	Bordeaux	0,5	Changed moorings?
	Boris, Riccardo	22 Jan 1941	0945	Bordeaux	22 Jan 1941	1720	Bordeaux	2	Trials.
5	Boris, Riccardo	24 Jan 1941	1620	Bordeaux	22 Feb 1941	1615	Bordeaux	3794	Sailed for patrol (a) between 53°00'N and 54°00'N, and between 17°00'W and 20°00'W (b) between 54°00'N and 55°00'N, and between 20°00'W and 21°00'W (c) between 55°00'N 56°00'N, and between 21°00'W and 22°00'W. Met on her return by the German minesweepers M-2, M-6 and M-21 and Sperrbrecher 16.
		31 Jan 1941	2155 2015-2020 (e)	49° 04'N, 19° 31'W	At 1918 hours, a 6,500-ton tanker was sighted in 49°23' N, 19°35' W. At 2155 hours, Dandolo had closed to 500 metres to fire two torpedoes (450mm) from the bow tubes. They broke surface and missed. This was the British Pizarro (1,367 GRT, built 1923), a straggler from convoy O.G.51 from Oban to Gibraltar, carrying 1,500 tons of general cargo and 400 tons of mail.
		31 Jan 1941	2228 2030 (e)	49° 04'N, 19° 31'W (e) 49° 03'N, 19° 40'W	At 2228 hours, two torpedoes (450mm) were fired from the stern tubes at a distance of 500 metres. This time both hit. Pizarro sank in 5 minutes with twenty-three of her crew. Three explosions had been felt on board Pizarro, but two were muffled and one was "terrific". There were six survivors who were picked up by the steamer MacBrae, another straggler from the same convoy.
		8 Feb 1941	1400-1720	53° 37'N, 18° 47'W	At 1400 hours, a steamer was observed zigzagging on a northeasterly course. The submarine attempted to trail her, but the chase would force her to exit her zone of operation. At 1952 hours, a submarine was sighted at 3,500 metres. This was Morosini who would attack this ship shortly after. The target was the Dutch steamer Prins Fredrik Hendrik (1288 GRT, built 1936).
		22 Feb 1941	0855-0857	(0) 283° of Pointe La Coubre - 14 miles (off Gironde).	The submarine sighted three torpedo tracks, the nearest passing 40 metres across her bows. The German submarine chaser UJ-E and the minesweepers M-10, M-13 and M-25 were sent to hunt, but located nothing. The "attack" was apparently bogus as no British submarines operated in the area. The "torpedoes" were probably porpoises.
	Boris, Riccardo	30 Mar 1941	0920	Bordeaux	30 Mar 1941	1500	Bordeaux	4	Trials.
	Boris, Riccardo	7 Apr 1941	1220	Bordeaux	7 Apr 1941	1936	Bordeaux	49	Trials.
	Boris, Riccardo	8 Apr 1941	0955	Bordeaux	8 Apr 1941	1440	Bordeaux	28	Trials.
6	Boris, Riccardo	9 Apr 1941	1540	Bordeaux	27 Apr 1941	2011	Bordeaux	3188	Sailed for Atlantic patrol between 35°00'N and 36°00'N, within 30 miles from the Moroccan coast. Patrol interrupted due to defects.
		16 Apr 1941	0540-0555	35° 26'N, 7° 14'W	A shadow was sighted at 5,000 metres, it was identified as a battleship, escorted by two destroyers, on a 240° course. The submarine could not close the range to carry out an attack, but elected not to make an enemy report as these ships were going to pass outside the patrol areas of Italian submarines. These were most probably the battleship HMS Queen Elizabeth, escorted by three destroyers HMS Velox, HMS Wrestler and HMS Fury (local escort), which had sailed at 2205 hours on the 15th from Gibraltar for Freetown.
7	Auconi, Walter	13 Jun 1941	0910	Bordeaux	13 Jun 1941	1616	Le Verdon	54	Passage Bordeaux-Le Verdon.
7b	Auconi, Walter	14 Jun 1941	0700	Le Verdon	14 Jun 1941	2050	La Pallice	92	Passage Le Verdon-La Pallice with Bagnolini, escorted by Sperrbrecher 16 and exercises.
7c	Auconi, Walter	19 Jun 1941	2000	La Pallice	23 Jun 1941	0710	La Pallice	813	Passage La Pallice-Naples, but developed defects off Cape Villano, and escorted back by the German minesweeper M 4443.
7d	Auconi, Walter	26 Jun 1941	2020	La Pallice	7 Jul 1941	0710	Naples	2186	Passage La Pallice-Naples. Passed Gibraltar on 2nd July 1941. Long refit. On 6th July, British Naval Intelligence was aware that she had returned to the Mediterranean. On 1st July, U-138 was informed that Dandolo would pass her, eastbound, in the next few days. [U-138 had however already been sunk at that date.]
		29 Jun 1941	0820-1215	(0) Off Lisbon.	At 0820 hours, the submarine sighted a steamer on a southerly course and took an intercepting course. At 1005 hours, the submarine had initially closed to use her bow tubes, but then elected to turn for a stern shot, when she recognised a vessel with Red Cross markings and broke off the attack. However, shortly after she intercepted an SOS indicating the vessel was the Spanish EARG. This was actually the call sign of Cuidad De Palma (3,959 GRT, built 1930). [Thanks to Lorenzo Colombo for providing this answer].
		29 Jun 1941	2208	(0) Off Cape St. Vincent.	At a distance of 7,000 metres, the submarine spotted a destroyer coming toward her and dived to avoid being seen. C.C. Boris decided to delay the passage through the Straits if Gibraltar by one day.
		2 Jul 1941	0230	(0) Off Cape Tariffa (Morocco).	A destroyer or torpedo-boat was seen silhouetted against the Moroccan coast at a distance of 1,500 metres but Boris decided to continue his route on the surface and was not detected.
	Auconi, Walter	28 Aug 1941	0850	Naples	28 Aug 1941	1517	Naples	42	Trials.
	Auconi, Walter	1 Sep 1941	0900	Naples	1 Sep 1941	1202	Naples	23	Trials.
	Auconi, Walter	3 Sep 1941	1425	Naples	3 Sep 1941	2102	Naples	32	Trials.
	Auconi, Walter	10 Sep 1941	0800	Naples	10 Sep 1941	1820	Naples	59	Trials.
	Auconi, Walter	18 Sep 1941	0900	Naples	18 Sep 1941	1630	Naples	38	Trials.
	Auconi, Walter	19 Sep 1941	0900	Naples	19 Sep 1941	1630	Naples	30	Trials, escorted by the torpedo boat La Masa.
	Auconi, Walter	20 Sep 1941	1305	Naples	20 Sep 1941	1933	Naples	56	Trials.
8	Auconi, Walter	23 Sep 1941	0645	Naples	4 Oct 1941	0910	Naples	1919	Patrolled south of Balearic Islands in area between 37°10'N and 37°50'N, and between 01°00'E and 01°20'E. On 25th September, ordered to move 20 miles to the south.
		24 Sep 1941	0610	38° 19'N, 8° 41'E	A submarine, similar to Dandolo, was seen but could not be identified.
		29 Sep 1941	0645	37° 17'N, 1° 07'E	A destroyer was seen at 1,000 metres followed by two cruisers. The submarine attempted to make a bow attack. Auconi then decided to try a stern shot at 600 metres, but was thwarted by the appearance of a second destroyer and went deep.
		30 Sep 1941	0318	37° 14'N, 1° 01'E	Five destroyers were seen and the submarine took avoiding action.
		30 Sep 1941	0648	37° 14'N, 1° 01'E (0) Approximately.	Dandolo sighted a dark vessel coming at her at high speed. The submarine crash-dived but appeared to have been the subject of a systematic A/S search by four vessels. From 0925 to 1330 houra, Dandolo was severely depth-charged,with patterns from six to eight depth-charges.
		3 Oct 1941	0625	38° 43'N, 9° 35'E	An unknown submarine was observed steering 200°, which was later reported as enemy (apparently none in area). Auconi ordered the gun crew to action station but decided to disengage.
	Auconi, Walter	20 Oct 1941	1355	Naples	20 Oct 1941	1920	Naples	40	Trials.
	Auconi, Walter	22 Oct 1941	0950	Naples	22 Oct 1941	1830	Naples	43	Trials.
	Auconi, Walter	24 Oct 1941	0905	Naples	24 Oct 1941	1323	Naples	32	Trials.
9	Auconi, Walter	30 Oct 1941	1700	Naples	12 Nov 1941	1145	Naples	2317,3	Sailed for patrol, initially along the Algerian coast, between 02°00'E and 03°00'E, within 10 to 20 miles from the coast. Then ordered between 36°00'N and the Moroccan coast, 02°40'W and 03°20'W (or between 37°40'N and 38°20'N, and between 04°20'E and 04°40'E?), as a sortie of Force H was expected.
		1 Nov 1941	1335	38° 00'N, 7° 37'E	A British bomber was sighted at 8,000 metres and the submarine dived.
		4 Nov 1941	0440-0552 0340 (e)	36° 44'N, 2° 29'E	At 0345 hours, a large steamer was sighted at distance of 8,000 metres and later identified as a 10,000-ton tanker. Although she was identified as French by her markings and by signals exchanged with Algiers, Auconi believed it might be a British tanker disguised as such and, just after 0440 hours, Dandolo opened fire with both her deck guns scoring hits while the target returned fire. This was the Vichy tanker Tarn (4,220 GRT, built 1939) on passage from Casablanca to Algiers. Dandolo now fired a salvo of three torpedoes from her bow tubes and scored one hit. The tanker Tarn was damaged and had two men killed. At 0552 hours, Dandolo tried to finish off Tarn with a stern shot but missed. The tanker managed to reach Algiers at 1100 hours the same day.
		8 Nov 1941	0745 0700 (e)	(0) Bay of Melilla.	At 0720 hours, a merchant ship was sighted, which was poorly illuminated and did not show any national markings. At 0745 hours, Dandolo fired a single torpedo from tube no.1 (her last torpedo available in the bow tubes). It appeared to have an erratic run initially, but 80 seconds later a hit was observed under the stern and the vessel sank in three or four minutes. This was the second error Auconi committed on this patrol, as the target was the Spanish Castillo Oropesa (6,600 GRT, built 1917 [also listed as 5,177 GRT]). In ballast, she had left Barcelona for Melilla and was now awaiting permission to enter harbour to pick up iron ore for Gijon. There were no casualties. This was another embarrassing incident for Italian authorities, who tried to deny that the culprit was an Italian submarine. However, the Spaniards recovered fragments of the torpedo and identified it as of Italian manufacture. Officially, the Italian government refuted the accusations by stating that Italian torpedoes had been sold to Yugoslavia and the Netherlands and arguing this did not constitute a proof of Italian involvement.
	Auconi, Walter	6 Dec 1941	1003	Naples	6 Dec 1941	1615	Naples	43	Trials.
10	Auconi, Walter	10 Dec 1941	1133	Naples	11 Dec 1941	0845	Messina	226,5	Supply mission to Bardia via Messina. Phase 1. Uneventful.
10b	Auconi, Walter	12 Dec 1941	1605	Messina	18 Dec 1941	1800	Bardia		Supply mission to Bardia (18 tons: 2 tons of fuel, 16 tons of food supplies). Phase 2.
		13 Dec 1941	0935	38° 10'N, 19° 04'E	An unidentified aircraft was seen and the submarine dived.
		13 Dec 1941	1430	35° 50'N, 19° 46'E	Two unidentified aircraft were seen at 4,000 metres and the submarine dived.
		13 Dec 1941	1620	35° 44'N, 19° 58'E	A derelict mine was observed but not destroyed.
		15 Dec 1941	0820	34° 05'N, 23° 30'E	An unidentified aircraft was seen flying low and the submarine dived.
		15 Dec 1941	1007	34° 02'N, 23° 16'E	An unidentified aircraft was seen at 4,000 metres and the submarine dived.
		15 Dec 1941	1135	33° 58'N, 23° 42'E (0) Approximately.	An unidentified aircraft was seen at 5,000 metres, but the submarine remained on the surface as it appeared to be moving away.
		15 Dec 1941	1145	33° 58'N, 23° 42'E	An unidentified aircraft was seen at 3,000 metres and the submarine dived.
10c	Auconi, Walter	18 Dec 1941	2150	Bardia	20 Dec 1941	0850	Suda	1384,5	Return trip from supply mission to Bardia with fifteen PoWs (six British officers and nine other ranks). British Intelligence was aware of her passage through ULTRA decrypt.
		19 Dec 1941	1025	33° 56'N, 24° 35'E	An unidentified aircraft was seen at 6,000 metres and the submarine dived.
11	Auconi, Walter	24 Dec 1941	1700	Suda	26 Dec 1941	1830	Bardia		Supply mission to Bardia (2 tons of fuel, 16 tons of food supplies). Uneventful.
11b	Auconi, Walter	26 Dec 1941	2200	Bardia	31 Dec 1941	1750	Taranto	1276	Return trip from supply mission to Bardia (with ten Italian soldiers and ten Indian PoWs). Uneventful.
		27 Dec 1941	0935 0945 (e)	33° 08'N, 24° 46'E (e) 33° 08'N, 25° 13'E	At 0935 hours, a twin-engine bomber was sighted at 1,500 metres and it made a recognition signal. At first, it was believed to be perhaps a German aircraft. But then as it closed to 200 metres, it was recognised as enemy and the submarine's twin Breda guns which had been manned opened fire but repeatedly jammed so Dandolo escaped by diving ten minutes later. This was a Beaufort of 39 Squadron.
		28 Dec 1941	0820	34° 16'N, 22° 43'E (0) Approximately.	An unidentified aircraft was seen, the submarine dived and heard distant explosions.
		31 Dec 1941	0350	39° 25'N, 18° 04'E	An unknown vessel was sighted, probably an Italian submarine [Cagni, Millo and Mocenigo were expected to arrive in Taranto at about the same time]. This was probably Mocenigo.
	Auconi, Walter	26 Jan 1942	0855	Bardia	26 Jan 1942	1707	Taranto	65,5	Trials.
12	Auconi, Walter	9 Feb 1942	1150	Taranto	25 Feb 1942	1400	Augusta	2088	Patrolled north of Cyrenaica within 8 miles on meridian of 33°50'N 20°30'E with Mocenigo in an adjacent area.
		10 Feb 1942	2300	38° 31'N, 18° 50'E	Unknown submarine was sighted on opposite course, believed to be Mocenigo.
		14 Feb 1942	1034		At 1034 hours, Dandolo was informed that a convoy of 22 ships was sighted at 0800 hours in 34°43' N, 21°45' E steering 310°. The submarine was just proceeding to intercept when, at 1100 hours, a signal was received reporting a second convoy at 0900 hours in 35°03' N, 17°55' E on a 105° course. Dandolo proceeded on a course to sight both convoys, but heard only very distant H.E. believed to be the convoy on the starboard side at 60 miles and the one on the port side at 90 miles.
		14 Feb 1942	1310		At 1310 hours, the submarine was informed that a third convoy with a battleship, three cruisers and a number of destroyers was sighted at 1020 hours in 34°43' N, 18°55' E on a 120° course. This was probably Force B with convoy M.E.10. Auconi believed that this convoy would pass through Dandolo's position and at 1436 H.E. were heard from what was believed to be this convoy. At 1900 hours the submarine surfaced in 33°53' N, 20°26' E.
		14 Feb 1942	2000	33° 53'N, 20° 26'E	A derelict mine was observed.
		20 Feb 1942	0415		At 0415 hours, the submarine was informed of a naval force located at 0330 hours in 33°03' N, 23°07' E. The submarine submerged for a listening watch, but nothing was detected.
		21 Feb 1942	2045	33° 23'N, 23° 25'E	A derelict mine was observed.
		24 Feb 1942	0618	34° 51'N, 20° 40'E	At 0618 hours, the submarine Tricheco was encountered. She was in difficulty after suffering severe weather damage. The previous evening, at 2000 hours, Dandolo had been informed of her predicament and ordered by MARICOSOM to proceed to her assistance. Dandolo and Tricheco proceeded in company at 11 knots to Augusta.
		24 Feb 1942	1600	35° 34'N, 19° 01'E	A derelict mine was observed.
	Di Meglio, Gaetano	12 Mar 1942	0910	Augusta	12 Mar 1942	1141	Augusta	16	Trials escorted by the auxiliary Nuovo Avvenire.
	Di Meglio, Gaetano	14 Mar 1942	0430	Augusta	15 Mar 1942	0940	Cagliari	440	Passage Augusta-Cagliari.
13	Di Meglio, Gaetano	16 Mar 1942	1855	Cagliari	3 Apr 1942	0900	Cagliari	2263	Patrolled south of Balearic Islands between 37°00'N and 37°20'N, and between 00°00'E and 01°20'E. Despite several opportunities, the submarine could not carry out any attack.
		20 Mar 1942	1400		The submarine was informed that a force consisting of two aircraft carriers, a battleship and a cruiser had sailed from Gibraltar [these were the aircraft carriers HMS Eagle and HMS Argus, the battleship HMS Malaya and the light cruiser HMS Hermione escorted by the destroyers HMS Whitehall, HMS Wishart, HMS Laforey, HMS Duncan, HMS Active, HMS Anthony and the escort destroyers HMS Blankney, HMS Croome and HMS Exmoor) for Operation PICKET I]. This was amplified by a signal from the submarine Mocenigo, which was received at 2315 hours. Dandolo proceeded to take an intercepting position, but did not hear or see anything and was informed the next afternoon that the force had apparently reverted course to Gibraltar [they actually returned on 23rd March].
		22 Mar 1942	1226	37° 24'N, 0° 04'E	Dandolo detected with her hydrophones a naval force steering 230°, 16 knots. The submarine could not make visual contact but made an enemy report.
		25 Mar 1942	1400		Dandolo was informed that the British steamer Empire Kestul (sic, Empire Kestrel , 2,674 GRT, built 1919) would sail from Valencia to Gibraltar. The submarine took an intercepting position off Cape Palos, but only sighted a Swiss ship believed to be Eiger, arriving from the Balearic Islands, at 0605 hours on the 26th. Empire Kestrel did sail from Valencia on 24 March and reached Gibraltar four days later (source: Lorenzo Colombo).
		26 Mar 1942	1100	(0) Off Cape Palos.	Dandolo was informed that the British steamer Etrib (1943 GRT, built 1913) would sail from Valencia to Gibraltar. The submarine remained off Cape Palos in the hope of intercepting the ship and only sighted the French ship Providence at 0340 hours on the 27th and another French vessel at 0526 hours.
		27 Mar 1942	0705 0603 (e)	37° 30'N, 0° 30'W (e) 37° 20'N, 0° 44'W	At 0705 hours, an unknown submarine was seen at 700 metres. Dandolo prepared to make a recognition signal, but the submarine turned away and dived at 0607 hours. This was HMS HMS Upright (Lt. J. S. Wraith, RN) on passage from Malta to Gibraltar, she carried only two torpedoes and prudently avoided action.
		28 Mar 1942	0850	37° 07'N, 0° 16'E	Dandolo detected a naval force with her hydrophones. It was later believed to be five destroyers conducting an A/S search, three of which passed over the submarine. The submarine took evasive action by diving to 70 meters.
		29 Mar 1942	1235	37° 12'N, 1° 04'E	At 1235 hours, Dandolo detected a naval force with her hydrophones. Earlier, she had been informed by a signal from the submarine Brin, that the naval force was returning to Gibraltar and had moved to an intercepting position. The submarine could not immediately make visual contact but, at 1535 hours, she sighted what appeared to be a cruiser at long range.
		30 Mar 1942	1400		Dandolo was informed of an enemy cruiser off La Galite on a 260° course. She was ordered to move 20 miles to the south (off Cape Tenes). This was executed, but no contact was made.
	Di Meglio, Gaetano	14 Apr 1942	1500	Cagliari	14 Apr 1942	1740	Cagliari	20	Trials.
	Di Meglio, Gaetano	15 Apr 1942	0915	Cagliari	16 Apr 1942	2047	Naples	282	Passage Cagliari-Naples.
	Gamba, Sergio	12 May 1942		Cagliari	23 Jun 1942		Cagliari		Refit at Cagliari.
	Campanella, Alberto	30 Jun 1942	0955	Naples	30 Jun 1942	1726	Naples	58	Trials.
	Campanella, Alberto	4 Jul 1942	0830	Naples	4 Jul 1942	1815	Naples	57	Trials and gyrocompass tests.
	Campanella, Alberto	5 Jul 1942	1458	Naples	5 Jul 1942	2330	Naples	76	Exercises.
	Campanella, Alberto	7 Jul 1942	0904	Naples	7 Jul 1942	1410	Naples	36	Trials.
	Campanella, Alberto	8 Jul 1942	1400	Naples	8 Jul 1942	1541	Naples	23	Trials.
	Campanella, Alberto	9 Jul 1942	1000	Naples	10 Jul 1942	1200	Cagliari	287	Passage Naples-Cagliari.
14	Campanella, Alberto	13 Jul 1942	2100	Cagliari	23 Jul 1942	0945	Cagliari	1184	Patrolled south of Majorca with Otaria and Emo on a patrol line between 37°40'N and 38°00'N, and between 02°20'E and 02°40'E. Briefly left her area westward to intercept a damaged enemy cruiser (HMS Charybdis) on 20th-21st July.
		19 Jul 1942	1345	37° 27'N, 1° 57'E (0) Approximate position.	At 1120 hours, Dandolo had been informed of an enemy cruiser and altered course to 225°. At 1345 hours, a Sunderland was suddenly sighted and the submarine quickly dived. Several bombs were heard between 1349 and 1410 hours but the submarine was not damaged.
		21 Jul 1942	0322 0332B (e)	37° 50'N, 2° 10'E (e) 37° 48'N, 2° 05'E	At 0015 hours, Dandolo had submerged to carry a listening watch. At 0100 hours, several H.E. were heard and the submarine surfaced . At 0258 hours, nothing had been seen and Campanella decided to dive again. Two minutes later, sounds were heard from two groups of vessels, one bearing 185° and the other in 215°. At 0306 hours, Dandolo surfaced again and proceeded toward the first group at 13.5 knots. At 0317 hours, the lookout on the starboard aft station reported a large dark mass bearing 120° at a distance of 4,000 metres. It was identified as an aircraft carrier. This was HMS Eagle with the light cruisers HMS Charybdis and HMS Cairo, escorted by the destroyers HMS Westcott, HMS Wrestler, HMS Ithuriel, HMS Antelope and HMS Vansittart, returning to Gibraltar from operation INSECT. At 0322 hours, the range had dropped to 2,000 metres when Dandolo fired a full salvo of four torpedoes from her bow tubes aimed at the aircraft carrier. This was a surface attack and the submarine dived upon firing. After two minutes two explosions were heard within three seconds of each other. In fact all torpedoes had missed. On board HMS Eagle, four underwater explosions were heard, one of them close.
	Campanella, Alberto	28 Jul 1942	0853	Cagliari	28 Jul 1942	1250	Cagliari	29	Trials.
15	Febbraro, Giovanni	11 Aug 1942	1730	Cagliari	14 Aug 1942	0947	Cagliari	554,5	Patrolled north of Tunisia with Emo and Otaria on a patrol line between 37°20'N and 38°00'N, and between 09°20'E and 09°40'E.
		12 Aug 1942	1800	37° 39'N, 9° 45'E	At 1800 hours, an enemy naval squadron consisting of two battleships, an aircraft carrier, a cruiser and five destroyers was sighted at a distance of 9-10,000 metres, on a 090° course. Dandolo got as close as 7,000 meters before being attacked at 1830 hours by a destroyer which dropped four depth-charges causing some damage, notably to the periscope. The submarine escaped by going down to 120 meters. Some 120 depth-charges were heard until 2120 hours.
		13 Aug 1942	1530		As Dandolo was returning to base following the damage incurred the previous day, she was informed at 1530 hours of a damaged aircraft carrier (believed to be HMS Furious). She reverted course in the hope of intercepting it but, at 1645 hours, a new signal came cancelling the previous report and the submarine returned to base.
	Campanella, Alberto	16 Aug 1942	1100	Cagliari	17 Aug 1942	0830	Naples	266	Passage Cagliari-Naples.
	Gamba, Sergio	25 Aug 1942		Naples	31 Aug 1942		Naples		Refit at Naples.
	Torri, Alberto	6 Sep 1942	0812	Naples	6 Sep 1942	1311	Naples	35	Exercises and trials.
	Torri, Alberto	7 Sep 1942	1516	Naples	7 Sep 1942	2235	Naples	44	Exercises and trials.
	Torri, Alberto	11 Sep 1942	0810	Naples	11 Sep 1942	1720	Naples	24	Gyrocompass tests.
	Torri, Alberto	12 Sep 1942	0857	Naples	12 Sep 1942	1135	Naples	27	Exercises and trials.
	Torri, Alberto	13 Sep 1942	0915	Naples	13 Sep 1942	1305	Naples	31	Exercises and trials.
	Torri, Alberto	15 Sep 1942	0954	Naples	15 Sep 1942	1300	Naples	13	Used in a propaganda movie.
	Torri, Alberto	17 Sep 1942	1013	Naples	17 Sep 1942	1830	Naples	49	Exercises and trials.
	Scano, Giacomo	19 Sep 1942	1135	Naples	20 Sep 1942	0950	Cagliari	275	Passage Naples-Cagliari.
	Scano, Giacomo	23 Sep 1942	1354	Cagliari	23 Sep 1942	1820	Cagliari	30	Exercises and trials.
	Scano, Giacomo	25 Sep 1942	1348	Cagliari	25 Sep 1942	1755	Cagliari	30	Exercises and trials.
	Scano, Giacomo	2 Oct 1942	1355	Cagliari	2 Oct 1942	1740	Cagliari	40	Exercises and trials.
	Scano, Giacomo	5 Oct 1942	0811	Cagliari	5 Oct 1942	1248	Cagliari	29	Trials.
16	Scano, Giacomo	10 Oct 1942	1750	Cagliari	19 Oct 1942	1440	Cagliari	1169	Patrolled in Western Mediterranean, 50 miles north of Punta Taska, between 37°30'N and 38°00'N, and between 01°40'E and 02°00'E. Early return due to defects.
		11 Oct 1942	0850	37° 43'N, 6° 08'E	A German aircraft was seen at 5,000 metres and closed the submarine. They exchanged recognition signals.
		11 Oct 1942	1226		At 1226 hours, Dandolo was informed that two destroyers had been sighted in 37°45' N, 00°05' E steering 285°. At 1800 hours, she was informed that the two destroyers were now in 37°10' N, 00°45' E steering 090°. Nothing was seen.
		11 Oct 1942	1825		An unknown submarine on a westerly course was observed at 10,000 metres. Dandolo started to close but then turned away.
		19 Oct 1942	0945	37° 08'N, 3° 42'E	At 0945 hours, the submarine Mocenigo was encountered and exchanged recognition signals.
	Scano, Giacomo	29 Oct 1942	0850	Cagliari	29 Oct 1942	1540	Cagliari	54	Exercises.
	Scano, Giacomo	31 Oct 1942	0753	Cagliari	31 Oct 1942	1055	Cagliari	27	Exercises.
17	Scano, Giacomo	7 Nov 1942	0248	Cagliari	10 Nov 1942	1355	Cagliari	532	Patrolled in Western Mediterranean between 37°00'N and 38°00'N, and between 07°00'E and 07°30'E. Early return due to defects.
		8 Nov 1942	0905	37° 14'N, 7° 40'E	An unidentified aircraft was seen at 5,000 metres.
		8 Nov 1942	1525	37° 16'N, 6° 50'E	Dandolo was at periscope depth when, at 1525 hours, a smoke was sighted on the horizon. She closed to 600 metres and identified the vessel as French and assumed it was Gouverneur Général Lépine (3,509 GRT, built 1923), which was due in Philippeville at 1600 hours (according to the French Calendar no.38). Later, the submarine heard only H.E. and developed defects which forced her to abort her mission.
	Scano, Giacomo	12 Nov 1942	0700	Cagliari	13 Nov 1942	0835	Naples	299	Passage Cagliari-Naples.
	Scano, Giacomo	20 Nov 1942	0909	Naples	20 Nov 1942	1355	Naples	63	Trials.
18	Scano, Giacomo	21 Nov 1942	1609	Naples	22 Nov 1942	1510	Cagliari		Sailed for reconnaissance off Djidjelli, Bougie and Philippeville, but diverted to Cagliari due to defects.
18b	Scano, Giacomo	23 Nov 1942	0106	Cagliari	5 Dec 1942	1025	Cagliari	1982	Sailed for reconnaissance off Djidjelli, Bougie and Philippeville. On 2nd December 1942, ordered to Grids 4388 -0988 (between 37°20'N and 37°40'N and 07°00'E and 07°30'E), following the sinking of HMS Quentin by German bombers.
		25 Nov 1942	2253	(0) Off Bone.	At 2253 hours, two submarines were observed apparently exchanging recognition signals. Dandolo turned away.
		26 Nov 1942	0132	36° 59'N, 5° 42'E	At 0132 hours, two submarine chasers were sighted and the submarine dived two minutes later.
		27 Nov 1942	0600	37° 23'N, 7° 23'E	At 0600 hours, two submarine chasers were sighted and the submarine quickly dived.
		27 Nov 1942	2030	37° 22'N, 6° 58'E	At 2030 hours, two dark shadows were observed at a distance of 2,000 metres which appeared to be large corvettes proceeding at 9 knots. Dandolo was surfaced and immediately fired a stern torpedo and turned to port, firing a second torpedo. Her gyrocompass was not operating and the helmsman could only use the magnetic compass. No hits were heard and, four minutes later, the submarine dived.
		29 Nov 1942	0525	(0) Off Philippeville.	At 0525 hours, Dandolo witnessed an air raid on Philippeville. Two minutes later, bombs were observed to fall 2,000 metres away and the submarine prudently dived.
		2 Dec 1942	0329	36° 46'N, 7° 58'E	At 0329 hours, a corvette was sighted at 3,000 metres and Dandolo had her torpedo tubes readied but then lost her in a rain squall.
		4 Dec 1942	2239 2329 (e)	37° 59'N, 8° 10'E	At 2239 hours, a submarine chaser was sighted. Dandolo immediately dived and was shaken by the explosions of six depth-charges which caused some damage. Luckily, the enemy warship did not linger on and left the scene. This was actually the destroyer HMS Eskimo on her way to join the light cruiser HMS Aurora (C.S.12).
	Scano, Giacomo	13 Dec 1942	0910	Cagliari	13 Dec 1942	1155	Cagliari	?	Trials.
	Scano, Giacomo	16 Dec 1942	0940	Cagliari	16 Dec 1942	1105	Cagliari	?	Trials.
19	Scano, Giacomo	28 Dec 1942	1702	Cagliari	2 Jan 1943	1245	Cagliari	688	Patrolled between 37°20'N and Algerian coast, 04°00'E and 05°00'E on a patrol line with Giada and Argo, off Bougie.
		1 Jan 1943	0500	37° 14'N, 5° 14'E (0) Italian Grid 6852/4.	At 0430 hours, Dandolo observed two dark shadows and closed. At 0500 hours, they were identified as a 10,000-ton merchant vessel escorted by a destroyer on a 134° course. Other shadows were seen at a distance, leading T.V. Scano to believe that they were part of a larger convoy. Four torpedoes were fired from the bow tubes at 2,500 metres. Two hits were heard, but this has not been confirmed.
20	Scano, Giacomo	4 Jan 1943	0430	Cagliari	6 Jan 1943	0813	Cagliari	287	Patrolled between 37°20'N and 37°40'N, and between 09°20'E and 09°40'E but recalled shortly after arriving in the area. Uneventful.
	Scano, Giacomo	11 Jan 1943	1249	Cagliari	11 Jan 1943	1527	Cagliari	23	Exercises.
	Scano, Giacomo	13 Jan 1943	0857	Cagliari	13 Jan 1943	1200	Cagliari	21,5	Exercises.
	Scano, Giacomo	15 Jan 1943	1310	Cagliari	16 Jan 1943	1108	La Maddalena	218	Passage Cagliari-La Maddalena.
21	Scano, Giacomo	20 Jan 1943	0230	La Maddalena	24 Jan 1943	1103	Cagliari	685	Patrolled off Cape Bougaroni, between 37°20'N and the Algerian coast, and between 06°00'E and 06°20'E, with Malachite in an adjacent area,
		21 Jan 1943	2011	37° 24'N, 6° 05'E	At 2011 hours, Dandolo observed firing in the distance and apparently an aircraft being shot down. She attempted to close and submerged to listen with her hydrophones, but nothing was detected until 0340 hours on the 22nd.
		22 Jan 1943	0349	37° 25'N, 6° 06'E	At 0340 hours, a shadow was seen. It proved to be a large merchant vessel escorted by two cruisers and destroyers. Nine minutes later, Dandolo fired four torpedoes at a range of 3,000 metres and heard a hit after one minute and 51 seconds and another five seconds later. This has not been confirmed. The submarine was depth-charged and damaged, but escaped by going down to 120 meters. This was probably convoy K.M.S.7 going to Philippeville (seven ships).
	Scano, Giacomo	31 Jan 1943	0941	Cagliari	1 Feb 1943	1135	Naples	282,7	Passage Cagliari-Naples.
	Scano, Giacomo	21 Feb 1943	0825	Naples	21 Feb 1943	1125	Naples	26	Exercises.
	Scano, Giacomo	27 Feb 1943	0215	Naples	28 Feb 1943	0735	Cagliari	275,9	Passage Naples-Cagliari.
	Scano, Giacomo	27 Feb 1943	2028	Cagliari	28 Feb 1943	0950	Cagliari	20	Exercises.
	Scano, Giacomo	1 Mar 1943	0942	Cagliari	2 Mar 1943	0815	Cagliari	30,9	Exercises.
22	Scano, Giacomo	2 Mar 1943	1645	Cagliari	5 Mar 1943	0640	Cagliari	361,5	Sailed for patrol via Point D (38°30'N, 09°50'E) and 40°10'N, 11°30'E to an area between 38°20'N and the African coast, and between 04°40'E and 05°20'E (or 06°00'E?) then ordered back.
	Scano, Giacomo	5 Mar 1943	1700	Cagliari	7 Mar 1943	0724	Naples	281,6	Passage Cagliari-Naples.
	Scano, Giacomo	13 Mar 1943	0816	Naples	13 Mar 1943	1120	Naples	22,8	Exercises.
	Scano, Giacomo	14 Mar 1943	1320	Naples	14 Mar 1943	1450	Castellammare di Stabia	12	Passage Naples-Castellammare di Stabia.
	Scano, Giacomo	16 Mar 1943	0831	Castellammare di Stabia	16 Mar 1943	1420	Castellammare di Stabia	28,2	Exercises.
	Scano, Giacomo	17 Mar 1943	0827	Castellammare di Stabia	17 Mar 1943	1139	Castellammare di Stabia	25	Exercises.
	Scano, Giacomo	18 Mar 1943	0856	Castellammare di Stabia	18 Mar 1943	1334	Castellammare di Stabia	26,5	Exercises.
	Turcio, Aldo	20 Mar 1943	0840	Castellammare di Stabia	20 Mar 1943	1147	Castellammare di Stabia	22,2	Exercises.
	Turcio, Aldo	21 Mar 1943	0836	Castellammare di Stabia	21 Mar 1943	1145	Castellammare di Stabia	18	Exercises.
	Turcio, Aldo	22 Mar 1943	1311	Castellammare di Stabia	22 Mar 1943	1525	Castellammare di Stabia	19,3	Exercises.
	Turcio, Aldo	26 Mar 1943	0825	Castellammare di Stabia	26 Mar 1943	1144	Castellammare di Stabia	21,3	Exercises.
	Turcio, Aldo	30 Mar 1943	0835	Castellammare di Stabia	30 Mar 1943	1144	Castellammare di Stabia	22,2	Exercises.
	Turcio, Aldo	5 Apr 1943	2400	Naples	7 Apr 1943	0840	La Maddalena	249,5	Passage Naples-La Maddalena.
23	Turcio, Aldo	15 Apr 1943	1950	La Maddalena	4 May 1943	0904	La Maddalena	1791,5	Patrolled between 38°00'N and 38°40'N, and between 06°20 and 07°00'E. On 27th April, was ordered to move to area between 38°00'N and 38°40'N, and between 07°00'E and 07°20'E.
		18 Apr 1943	2220	38° 38'N, 6° 36'E	At 2220 hours, a German aircraft was sighted. No action was taken. Seven minutes later another two aircraft appeared and Dandolo submerged.
		26 Apr 1943	0408 0310 (e)	38° 23'N, 6° 26'E (e) 38° 15'N, 5° 52'E	An unknown submarine was seen at a distance of 1,500-2,000 metres, steering 210°. She fired three torpedoes at Dandolo who turned away as two torpedoes passed on the port side and one on the starboard side. Turcio had intended to fire a stern shot, but the smoke emitted by his diesel engines obscured the visibility. This was the Dutch HrMs Dolfijn (Lt. Cdr. H.M.L.F.E. van Oostrom Soede) and she had fired three torpedoes at long range.
	Turcio, Aldo	5 May 1943	0959	La Maddalena	6 May 1943	0708	Naples	230	Passage La Maddalena-Naples.
		5 May 1943	1303	40° 57'N, 10° 08'E	At 1303 hours, a periscope was sighted. Dandolo attempted to fire a pair of torpedoes but only one left the tube, the second misfired. Range was 1,000 metres and two explosions were heard after four minutes. T.V. Turcio assumed that his torpedo had exploded at the end of her run and that the enemy submarine had done the same. In fact, no allied submarine operated in the area.
	Turcio, Aldo	30 May 1943	0030	Naples	31 May 1943	0630	La Maddalena	230	Passage Naples-La Maddalena.
	Turcio, Aldo	1 Jun 1943	0500	La Maddalena	1 Jun 1943	1130	Ajaccio		Passage La Maddalena-Ajaccio.
	Turcio, Aldo	16 Jun 1943	1525	Ajaccio	18 Jun 1943	0255	Naples	302,4	Passage Ajaccio-Naples.
24	Turcio, Aldo	14 Jul 1943	1330	Naples	18 Jul 1943	0730	Crotone		Patrolled off Augusta (Sicily), operation ZETA. At 2029 hours on the 16th, MARICOSOM ordered her to an area between 36°30'N and 36°50'N, and between 15°07 and 15°50'E. This was countermanded at 2345 on the 16th and she was ordered to Taranto via (1) 37°21'N, 17°00'E. (2) 39°00'N, 28°00? E (sic, should be 17°40'E, this was an error in transcribing the Italian Grid should have been 64 instead of 44) and A.2. At 1045 hours on the 18th, Dandolo was alerted by SUPERMARINA that an enemy submarine was in Grid 4734 (39°00'N, 17°00'E) at 0900 hours on the 18th.
		15 Jul 1943	2230	37° 19'N, 15° 55'E	At 2230 hours, the conning tower of a submarine was seen, this was probably Alagi. Dandolo turned away.
		16 Jul 1943	0116	37° 04'N, 16° 02'E	At 0116 hours, a dark object, believed to be a submarine, was observed. This was probably Alagi. Dandolo submerged.
		16 Jul 1943	0307	37° 04'N, 16° 02'E (0) Italian Grid 2866/5	At 0257 hours, a naval squadron was sighted at 5,000 metres. They were believed to be two battleships of the KING GEORGE V class escorted by four destroyers. Ten minutes, later, Dandolo fired a salvo of four torpedoes from her bow tubes at a range of 2,000 metres. Two loud hits were heard. This has not been confirmed. T.V. Turcio had also intended to turn and fire his stern torpedoes, but one of the torpedoes exploded after a run of 500 metres and fearing of being discovered, he took his submarine deep.
		17 Jul 1943	0035	37° 15'N, 16° 14'E	An unidentified aircraft was seen and the submarine dived.
		17 Jul 1943	0302	37° 02'N, 16° 14'E	An unidentified aircraft was seen and the submarine dived.
		17 Jul 1943	2230 1957 or 2203B (e)	37° 22'N, 16° 52'E (e) 37° 17'N, 16° 53'E	At 2225 hours, Dandolo was suddenly attacked by an aircraft which appeared from the dark part of the horizon. It dropped four bombs and two depth charges. Two bombs hit the base of the conning tower and two bombs missed the stern, while the two depth-charges, estimated at 200 kg, lodged in the cavity of the counter turret. Luckily, those that hit failed to explode or Dandolo would have been destroyed, but the two depth charges prevented the submarine from diving for fear they would detonate. The aircraft was Wellington 'K' (MP617) of 221 Squadron piloted by Flying Officer W. Lewis. It had sighted a large Italian submarine, estimated at 1,000 tons armed with two guns, one fore and one aft. Lewis decided to attack up moon and approached from the port beam releasing five depth charges from a height of only 50 feet, the last depth charge observed to be exploding under the hull abaft while the rear gunner fired off 100 rounds of his machine gun. After the attack, the bomber remained in the area, observing the submarine still on the surface, circling tightly, smoke and fumes pouring from the conning tower. Lewis attempted to contact surface vessels in the area to home them in, but failed to get an answer. At 0020 hours, the aircraft left the scene. Dandolo abandoned her patrol and, at 2322 hours, informed MARICOSOM of her predicament and that she would be off Cape Colonne at 0600 hours.
24b	Turcio, Aldo	18 Jul 1943	2030	Crotone	19 Jul 1943	0650	Taranto	591	Passage Crotone-Taranto, escorted by the corvette Scimitarra.
	Turcio, Aldo	9 Oct 1943	1230	Taranto	9 Oct 1943	1850	Taranto	39	Exercises.
	Turcio, Aldo	20 Oct 1943	0825	Taranto	20 Oct 1943	1430	Taranto	47	Exercises.
	Turcio, Aldo	25 Oct 1943	0732	Taranto	25 Oct 1943	1255	Taranto	31	Exercises.
	Turcio, Aldo	2 Nov 1943	1345	Taranto	3 Nov 1943	1030	Augusta	259	Passage Taranto-Augusta.
	Turcio, Aldo	5 Nov 1943	1346	Augusta	5 Nov 1943	1545	Augusta	5	Supplied with water.
	Turcio, Aldo	18 Nov 1943	0710	Augusta	18 Nov 1943	0926	Augusta	5	Supplied with water.
	Turcio, Aldo	18 Nov 1943	1110	Augusta	18 Nov 1943	1920	Augusta	46	Exercises with the escort destroyer HMS Eggesford.
	Turcio, Aldo	22 Nov 1943	0920	Augusta	22 Nov 1943	1026	Augusta	3	Changed anchorage.
	Turcio, Aldo	2 Dec 1943	0650	Augusta	2 Dec 1943	1658	Augusta	60	A/S exercises.
	Turcio, Aldo	6 Dec 1943	0645	Augusta	7 Dec 1943	1755	Taranto	274	Passage Augusta-Taranto with Giada, Brin, Mameli escorted by the torpedo boats Aliseo, Fortunale, Riboty, Abba, corvette Urania and the trawler HMT Grilse with convoy AH.11.
	Turcio, Aldo	14 Dec 1943	0930	Taranto	14 Dec 1943	1037	Taranto	0,6	Docked.
	Turcio, Aldo	24 Dec 1943	0945	Taranto	24 Dec 1943	1430	Taranto	0,6	Undocked.
	Turcio, Aldo	3 Jan 1944	1215	Taranto	5 Jan 1944	1510	Pantelleria	438	Passage Taranto-Pantelleria with Marea, Mameli, Vortice and Speri escorted by destroyer Grecale.
	Turcio, Aldo	6 Jan 1944	1450	Pantelleria	6 Jan 1944	1510	Pantelleria	5	Weather report mission.
	Turcio, Aldo	8 Jan 1944	0650	Pantelleria	9 Jan 1944	1905	Algiers	461	Passage Pantelleria-Algiers with Mameli, Marea, Vortice and Speri, escorted by destroyer Grecale.
		9 Jan 1944	1102 1124 (e)	36° 47'N, 5° 37'E (e) 37° 21'N, 4° 42'E (0) German Grid CH 9525.	Goffredo Mameli observed an explosion 250-300 metres to starboard side and, shortly after, another about 250 metres to port. The escorting destroyer Grecale signalled that they were under air attack, but these were actually premature explosions from torpedoes fired by U-616 (OL Siegfried Koitschka). The Italians vessels were unaware that they had been under attack from a U-boat and, for security reasons, were diverted to Algiers.
	Turcio, Aldo	11 Jan 1944	0700	Algiers	13 Jan 1944	1240	Gibraltar	559	Passage Algiers-Gibraltar.
	Turcio, Aldo	27 Jan 1944	0700	Gibraltar	27 Jan 1944	1240	Gibraltar	15	Passage Gibraltar-Bermuda with Marea, Mameli, Vortice and Speri, escorted by the destroyer USS Neunzer (DE-150). They turned back as Tito Speri had engine defects.
	Turcio, Aldo	29 Jan 1944	0805	Gibraltar	13 Feb 1944	1543	Bermuda	3367	Passage Gibraltar-Bermuda with Marea, Mameli, Vortice and Speri escorted by the destroyer escort USS Neunzer (DE-150). During the passage, carried out A/S exercises with Neunzer on 7th February. Escorted in by the tug USS Cherokee (AT-66).
	Turcio, Aldo	5 Apr 1944	0835	Port Royal	5 Apr 1944	1840	Port Royal	78	Exercises with the minesweeper USS Despite (AM-89).
	Turcio, Aldo	8 Apr 1944	0705	Port Royal	8 Apr 1944	1845	Port Royal	85	Exercises with the destroyer escort USS Jack W. Wilke (DE-800).
	Turcio, Aldo	9 Apr 1944	0652	Port Royal	9 Apr 1944	1730	Port Royal	62	Exercises.
	Turcio, Aldo	13 Apr 1944	0653	Port Royal	13 Apr 1944	1809	Port Royal	8	Exercises.
	Turcio, Aldo	14 Apr 1944	0630	Port Royal	14 Apr 1944	1855	Port Royal	61	Exercises with TASK GROUP 23.1.
	Turcio, Aldo	20 Apr 1944	0705	Port Royal	20 Apr 1944	1904	Port Royal	90	Exercises.
	Turcio, Aldo	21 Apr 1944	0630	Port Royal	21 Apr 1944	1904	Port Royal	98	Exercises with the destroyer escorts USS Mason (DE-529), USS Riley (DE-579) and USS Weeden (DE-797).
	Turcio, Aldo	23 Apr 1944	0737	Port Royal	23 Apr 1944	1755	Port Royal	72	Exercises. Possibly with the destroyer USS Ingraham (DD-694) and Task Group 23.1.
	Turcio, Aldo	24 Apr 1944	0705	Port Royal	24 Apr 1944	1713	St. George	87	Exercises.
	Turcio, Aldo	27 Apr 1944	0712	Port Royal	27 Apr 1944	1713	St. George	66	Exercises.
	Turcio, Aldo	28 Apr 1944	0700	Port Royal	28 Apr 1944	1904	Port Royal	87	Exercises. Possibly with the destroyer USS Ingraham (DD-694) and Task Group 23.1.
	Turcio, Aldo	29 Apr 1944	0715	Port Royal	29 Apr 1944	2123	Port Royal	93	Exercises.
	Turcio, Aldo	11 May 1944	0705	Port Royal	11 May 1944	1805	Port Royal	72	Exercises.
	Turcio, Aldo	13 May 1944	0635	Port Royal	13 May 1944	1820	Port Royal	85	Exercises. Possibly with the destroyer escort USS George A. Johnson (DE-583).
	Turcio, Aldo	14 May 1944	0640	Port Royal	14 May 1944	1710	Port Royal	76	Exercises. Possibly with the destroyer escort USS George A. Johnson (DE-583).
	Turcio, Aldo	15 May 1944	0705	Port Royal	15 May 1944	1850	Port Royal	86	Exercises. Possibly with the destroyer escort USS George A. Johnson (DE-583) and the frigate USS Sandusky (PF-65).
	Turcio, Aldo	16 May 1944	0552	Port Royal	16 May 1944	1735	Port Royal	89	Exercises. Possibly with the destroyer escort USS George A. Johnson (DE-583).
	Turcio, Aldo	17 May 1944	0655	Port Royal	17 May 1944	1750	Port Royal	76	Exercises. Possibly with the destroyer escort USS George A. Johnson (DE-583).
	Turcio, Aldo	18 May 1944	0653	Port Royal	18 May 1944	1902	Port Royal	89	Exercises.
	Turcio, Aldo	19 May 1944	0600	Port Royal	19 May 1944	1750	Port Royal	100	Exercises with the destroyers USS Bearss (DD-654), USS Mansfield (DD-728) and USS Brush (DD-745).
	Turcio, Aldo	21 May 1944	0650	Port Royal	21 May 1944	1746	Port Royal	84	Exercises. Possibly with the destroyer escort USS Holton (DE-703).
	Turcio, Aldo	23 May 1944	0625	Port Royal	23 May 1944	1800	Port Royal	86	Exercises. Possibly with the destroyer escort USS Holton (DE-703).
	Turcio, Aldo	24 May 1944	0630	Port Royal	24 May 1944	1746	Port Royal	88	Exercises. Possibly with the destroyer escort USS Holton (DE-703).
	Turcio, Aldo	25 May 1944	0550	Port Royal	25 May 1944	1555	Port Royal	75	Exercises. Possibly with the destroyer escort USS Holton (DE-703).
	Turcio, Aldo	27 May 1944	0638	Port Royal	27 May 1944	1750	Port Royal	80	Exercises. Possibly with the destroyer escort USS Holton (DE-703).
	Turcio, Aldo	31 May 1944	Time?	Port Royal	31 May 1944	Time?	St. George	17	Passage Port Royal-St George.
	Turcio, Aldo	6 Jun 1944	0655	St. George	6 Jun 1944	1740	Port Royal	79	Exercises.
	Turcio, Aldo	7 Jun 1944	0650	Port Royal	7 Jun 1944	1730	Port Royal	71	Exercises. Possibly with the destroyer escort USS Carter (DE-112).
	Turcio, Aldo	8 Jun 1944	0640	Port Royal	8 Jun 1944	1800	Port Royal	100	Exercises with the patrol vessel USS PC-1597. Also possibly also with the destroyer escort USS Carter (DE-112).
	Turcio, Aldo	9 Jun 1944	0605	Port Royal	9 Jun 1944	1705	Port Royal	83	Exercises. Possibly with the destroyer escort USS Carter (DE-112).
	Turcio, Aldo	10 Jun 1944	0615	Port Royal	10 Jun 1944	1753	Port Royal	97	Exercises. Possibly with the destroyer escort USS Carter (DE-112).
	Turcio, Aldo	11 Jun 1944	0630	Port Royal	11 Jun 1944	1753	Port Royal	21	Exercises with the destroyers USS Charles S. Sperry (DD-697), USS Collett (DD-730) and USS Taussig (DD-746).
	Turcio, Aldo	12 Jun 1944	0710	Port Royal	12 Jun 1944	1900	Port Royal	90	Exercises.
	Turcio, Aldo	13 Jun 1944	0555	Port Royal	13 Jun 1944	1709	Port Royal	80	Exercises with the destroyer escorts USS Oberrender (DE-344), USS Lawrence C. Taylor (DE-415) and the destroyer USS Taussig (DD-746), but the latter had to opt out due to a defective sonar.
	Turcio, Aldo	14 Jun 1944	0652	Port Royal	14 Jun 1944	1740	Port Royal	71	Exercises.
	Turcio, Aldo	15 Jun 1944	0647	Port Royal	15 Jun 1944	1845	Port Royal	98	Exercises.
	Turcio, Aldo	16 Jun 1944	0645	Port Royal	16 Jun 1944	1720	St. George	65	Exercises.
	Turcio, Aldo	18 Jun 1944	0730	St. George	18 Jun 1944	1748	Port Royal	65	Exercises.
	Turcio, Aldo	19 Jun 1944	0640	Port Royal	19 Jun 1944	1940	Port Royal	98	Exercises.
	Turcio, Aldo	20 Jun 1944	0628	Port Royal	20 Jun 1944	1850	Port Royal	95	Exercises.
	Turcio, Aldo	21 Jun 1944	0810	Port Royal	21 Jun 1944	1000	St. George	17	Passage Port Royal-St George.
	Turcio, Aldo	27 Jun 1944	0810	St. George	27 Jun 1944	1000	Port Royal	17	Passage St George-Port Royal.
	Turcio, Aldo	1 Jul 1944	0649	Port Royal	1 Jul 1944	1805	Port Royal	70	Exercises.
	Turcio, Aldo	3 Jul 1944	0835	Port Royal	3 Jul 1944	1045	St. George	17	Passage Port Royal-St George.
	Turcio, Aldo	8 Jul 1944	0605	Port Royal	8 Jul 1944	0903	St. George	17	Passage St George-Port Royal.
	Turcio, Aldo	30 Jul 1944	1232	St. George	30 Jul 1944	1340	St. George	9	Trials.
	Turcio, Aldo	31 Jul 1944	0605	St. George	31 Jul 1944	1715	St. George	74	Exercises. Possibly with the destroyer escort USS Willis (DE-395), USS Janssen (DE-396) and USS Wilhoite (DE-397) from the USS Bogue (CVE-9) group. Possibly other ships from this group were also involved.
	Turcio, Aldo	1 Aug 1944	0635	Port Royal	1 Aug 1944	1715	Port Royal	84	Exercises with the destroyer USS Haynsworth (DD-700) and the destroyer escort USS Maurice J. Manuel (DE-351).
	Turcio, Aldo	2 Aug 1944	0640	Port Royal	2 Aug 1944	1720	Port Royal	72	Exercises.
	Turcio, Aldo	3 Aug 1944	0530	Port Royal	3 Aug 1944	1705	Port Royal	107	Exercises.
	Turcio, Aldo	6 Aug 1944	0638	Port Royal	6 Aug 1944	1748	Port Royal	77	Exercises.
	Turcio, Aldo	9 Aug 1944	0635	Port Royal	9 Aug 1944	1535	Port Royal	66	Exercises.
	Turcio, Aldo	12 Aug 1944	0635	Port Royal	12 Aug 1944	1630	Port Royal	69	Exercises with the destroyers USS Ault (DD-698), USS Haynsworth (DD-700) and the destroyer escort USS Moore (DE-240).
	Turcio, Aldo	13 Aug 1944	0625	Port Royal	13 Aug 1944	1815	Port Royal	90	Exercises with the destroyers USS Waldron (DD-699) and USS Mannert L. Abele (DD-733).
	Turcio, Aldo	14 Aug 1944	0605	Port Royal	14 Aug 1944	1640	Port Royal	81	Exercises with the destroyer escorts USS Doyle C. Barnes (DE-353) and USS Silverstein (DE-534).
	Turcio, Aldo	16 Aug 1944	0610	Port Royal	16 Aug 1944	1740	Port Royal	84	Exercises.
	Turcio, Aldo	17 Aug 1944	0625	Port Royal	17 Aug 1944	1820	Port Royal	86	Exercises. Possibly with the destroyer escort USS Ulvert M. Moore (DE-442).
	Turcio, Aldo	18 Aug 1944	0642	Port Royal	18 Aug 1944	1800	Port Royal	103	Exercises.
	Turcio, Aldo	19 Aug 1944	0630	Port Royal	19 Aug 1944	1717	Port Royal	82	Exercises. Possibly with the destroyer escort USS Ulvert M. Moore (DE-442).
	Turcio, Aldo	20 Aug 1944	0632	Port Royal	20 Aug 1944	1835	Port Royal	98	Exercises. Possibly with the destroyer escort USS Ulvert M. Moore (DE-442).
	Turcio, Aldo	23 Aug 1944	0625	Port Royal	23 Aug 1944	1445	Port Royal	64	Exercises.
	Turcio, Aldo	24 Aug 1944	0635	Port Royal	24 Aug 1944	1750	Port Royal	85	Exercises with the destroyer USS Haynsworth (DD-700).
	Turcio, Aldo	25 Aug 1944	0620	Port Royal	25 Aug 1944	1700	Port Royal	80	Exercises.
	Turcio, Aldo	26 Aug 1944	0810	Port Royal	26 Aug 1944	0945	St. George	17	Passage Port Royal-St George.
	Turcio, Aldo	31 Aug 1944	0755	St. George	31 Aug 1944	1728	Port Royal	80	Passage St George-Port Royal.
	Turcio, Aldo	1 Sep 1944	0636	Port Royal	1 Sep 1944	1700	Port Royal	79	Exercises.
	Turcio, Aldo	2 Sep 1944	0635	Port Royal	2 Sep 1944	1630	Port Royal	77	Exercises with the destroyers USS Waldron (DD-699) and USS Mannert L. Abele (DD-733).
	Turcio, Aldo	3 Sep 1944	0630	Port Royal	3 Sep 1944	1815	Port Royal	83	Exercises with the destroyer USS Van Valkenburgh (DD-656).
	Turcio, Aldo	4 Sep 1944	0630	Port Royal	4 Sep 1944	1725	Port Royal	74	Exercises with the destroyers USS Waldron (DD-699) and USS Mannert L. Abele (DD-733).
	Turcio, Aldo	6 Sep 1944	0620	Port Royal	6 Sep 1944	1700	Port Royal	77	Exercises.
	Turcio, Aldo	7 Sep 1944	0720	Port Royal	7 Sep 1944	1825	Port Royal	100	Exercises with the destroyers USS Purdy (DD-734) and USS Harry E. Hubbard (DD-748).
	Turcio, Aldo	8 Sep 1944	0635	Port Royal	8 Sep 1944	1727	Port Royal	86	Exercises with the destroyers USS Van Valkenburgh (DD-656) and USS John W. Weeks (DD-701).
	Turcio, Aldo	9 Sep 1944	0630	Port Royal	9 Sep 1944	1709	Port Royal	82	Exercises with the destroyer USS Harry E. Hubbard (DD-748). A hurricane was anticipated in the next days.
	Turcio, Aldo	10 Sep 1944	0640	Port Royal	10 Sep 1944	1700	Port Royal	69	Exercises.
	Turcio, Aldo	11 Sep 1944	1840	Port Royal	11 Sep 1944	1920	Port Royal	3	Changed anchorage. A hurricane was coming from the south.
	Turcio, Aldo	12 Sep 1944	1920	Port Royal	12 Sep 1944	1940	Port Royal	3	Changed anchorage. CVE exercises were cancelled.
	Turcio, Aldo	13 Sep 1944	0628	Port Royal	13 Sep 1944	1805	Port Royal	78	Exercises.
	Turcio, Aldo	14 Sep 1944	0635	Port Royal	14 Sep 1944	1750	Port Royal	78	Exercises with the destroyer escorts USS Lloyd E. Acree (DE-356) and USS Kendall C. Campbell (DE-443).
	Turcio, Aldo	16 Sep 1944	0640	Port Royal	16 Sep 1944	1750	Port Royal	100	Exercises.
	Turcio, Aldo	17 Sep 1944	1250	Port Royal	17 Sep 1944	1815	Port Royal	2	Changed anchorage.
	Turcio, Aldo	19 Sep 1944	0640	Port Royal	19 Sep 1944	1615	Port Royal	75	Exercises.
	Turcio, Aldo	21 Sep 1944	0700	Port Royal	21 Sep 1944	1725	Port Royal	73	Exercises.
	Turcio, Aldo	23 Sep 1944	0647	Port Royal	23 Sep 1944	1740	Port Royal	74	Exercises.
	Turcio, Aldo	25 Sep 1944	0630	Port Royal	25 Sep 1944	1841	Port Royal	86	Exercises with the destroyer escorts USS Woodson (DE-359) and USS Bray (DE-709).
	Turcio, Aldo	26 Sep 1944	0700	Port Royal	26 Sep 1944	1755	Port Royal	84	Exercises.
	Turcio, Aldo	4 Oct 1944	0712	Port Royal	4 Oct 1944	1855	Port Royal	86	Exercises. Possibly with the destroyer escort USS Johnnie Hutchins (DE-360).
	Turcio, Aldo	5 Oct 1944	0710	Port Royal	5 Oct 1944	2020	Port Royal	104	Exercises.
	Turcio, Aldo	6 Oct 1944	0745	Port Royal	6 Oct 1944	1430	Port Royal	65	Exercises.
	Turcio, Aldo	13 Oct 1944	1602	Port Royal	17 Oct 1944	0820	Portsmouth (N.H.)	795	Passage Port Royal-Portsmouth (N.H.) for major refit.
	Monteleoni, Leone	1 Jan 1945	date???	Bermuda	1 Jan 1945	date???	New London (Conn.)		Passage Bermuda-New London (Conn.).
	Monteleoni, Leone	25 Jan 1945	1730	Portsmouth (NH)	27 Jan 1945	0850	New London (CT)	180	Passage Portsmouth (NH)-New London (CT) escorted by the destroyer escort USS George W. Ingram (DE-62).
	Monteleoni, Leone	16 Feb 1945	1320	New London (CT)	16 Feb 1945	1945	New London (CT)	30	Trials.
	Monteleoni, Leone	17 Feb 1945	1415	New London (CT)	17 Feb 1945	1450	New London (CT)	0,5	Changed anchorage.
	Monteleoni, Leone	24 Feb 1945	0356	New London (CT)	24 Feb 1945	0155	New London (CT)	195	Exercises.
	Monteleoni, Leone	26 Feb 1945	1027	New London (CT)	26 Feb 1945	1130	New London (CT)	0,5	Changed anchorage.
	Monteleoni, Leone	2 Mar 1945	0500	New London (CT)	3 Mar 1945	1610	New London (CT)	104	Exercises with the destroyer escorts USS Thornhill (DE-195), USS Cates (DE-763), USS Gandy (DE-764) and USS Earl K. Olsen (DE-765). On 3 March, USS Gandy escorted Dandolo, towed by a tug, when her steering failed.
	Monteleoni, Leone	17 Mar 1945	0500	New London (CT)	23 Mar 1945	1610	Guantanamo (Cuba)	1508	Passage New London (CT)-Guantanamo (Cuba) escorted by minesweeper USS Eager (AM-224).
	Monteleoni, Leone	1 Apr 1945	0718	Guantanamo	1 Apr 1945	1434	Guantanamo	44	Exercises.
	Monteleoni, Leone	2 Apr 1945	0713	Guantanamo	2 Apr 1945	1502	Guantanamo	30	Exercises.
	Monteleoni, Leone	3 Apr 1945	0715	Guantanamo	3 Apr 1945	1458	Guantanamo	30	Exercises.
	Monteleoni, Leone	4 Apr 1945	0716	Guantanamo	4 Apr 1945	1710	Guantanamo	53	Exercises with the destroyer USS Henry W. Tucker (DD-875).
	Monteleoni, Leone	6 Apr 1945	0712	Guantanamo	6 Apr 1945	1652	Guantanamo	43	Exercises.
	Monteleoni, Leone	8 Apr 1945	0648	Guantanamo	8 Apr 1945	1510	Guantanamo	414	Exercises with the escort carrier USS Core (CVE-13) and CortDiv 7 (Escort Division 7).
	Monteleoni, Leone	14 Apr 1945	0725	Guantanamo	14 Apr 1945	1500	Guantanamo	29	Exercises.
	Monteleoni, Leone	18 Apr 1945	0735	Guantanamo	18 Apr 1945	1548	Guantanamo	31	Exercises.
	Monteleoni, Leone	20 Apr 1945	0715	Guantanamo	20 Apr 1945	1221	Guantanamo	37	Exercises.
	Monteleoni, Leone	21 Apr 1945	0720	Guantanamo	21 Apr 1945	1620	Guantanamo	52	Exercises.
	Monteleoni, Leone	29 Apr 1945	0716	Guantanamo	29 Apr 1945	1630	Guantanamo	38	Exercises.
	Monteleoni, Leone	1 May 1945	0720	Guantanamo	1 May 1945	1545	Guantanamo	43	Exercises with high-speed transport USS Myers (APD-105, ex DE-595).
	Monteleoni, Leone	2 May 1945	0718	Guantanamo	2 May 1945	1614	Guantanamo	40	Exercises.
	Monteleoni, Leone	3 May 1945	0740	Guantanamo	3 May 1945	1445	Guantanamo	40	Exercises.
	Monteleoni, Leone	9 May 1945	0915	Guantanamo	9 May 1945	1805	Guantanamo	40	Exercises.
	Monteleoni, Leone	10 May 1945	0645	Guantanamo	10 May 1945	1450	Guantanamo	39	Exercises.
	Monteleoni, Leone	15 May 1945	0625	Guantanamo	15 May 1945	1550	Guantanamo	45	Exercises with the destroyer USS Vesole (DD-878). and the minesweeper USS Quail (AM-377). Quail reported scoring thirteen hits in twenty-two runs with hedgehogs,
	Monteleoni, Leone	16 May 1945	0701	Guantanamo	16 May 1945	1015	Guantanamo	27	Exercises.
	Monteleoni, Leone	18 May 1945	0625	Guantanamo	18 May 1945	1528	Guantanamo	38	Exercises.
	Monteleoni, Leone	19 May 1945	0635	Guantanamo	19 May 1945	1400	Guantanamo	38	Exercises with the destroyer USS Beatty (DD-756).
	Monteleoni, Leone	27 May 1945	0620	Guantanamo	27 May 1945	1020	Guantanamo	22	Exercises.
	Monteleoni, Leone	28 May 1945	0640	Guantanamo	28 May 1945	1455	Guantanamo	38	Exercises.
	Monteleoni, Leone	29 May 1945	0633	Guantanamo	29 May 1945	1440	Guantanamo	39	Exercises with the destroyer USS Gearing (DD-710) and the high speed transport USS Joseph M. Auman ( (APD-117).
	Monteleoni, Leone	30 May 1945	0638	Guantanamo	30 May 1945	1506	Guantanamo	40	Exercises.
	Monteleoni, Leone	3 Jun 1945	0650	Guantanamo	3 Jun 1945	1506	Guantanamo	40	Exercises.
	Monteleoni, Leone	5 Jun 1945	0643	Guantanamo	5 Jun 1945	1425	Guantanamo	30	Exercises.
	Monteleoni, Leone	6 Jun 1945	0659	Guantanamo	6 Jun 1945	1541	Guantanamo	40	Exercises. Possibly exercised with the destroyer escort USS Ramsden (DE-382).
	Monteleoni, Leone	11 Jun 1945	0700	Guantanamo	11 Jun 1945	1720	Guantanamo	60	Exercises.
	Monteleoni, Leone	13 Jun 1945	1035	Guantanamo	13 Jun 1945	1745	Guantanamo	38	Exercises.
	Monteleoni, Leone	15 Jun 1945	0810	Guantanamo	15 Jun 1945	1605	Guantanamo	40	Exercises.
	Monteleoni, Leone	18 Jun 1945	0827	Guantanamo	18 Jun 1945	1640	Guantanamo	34	Exercises with the destroyer escort USS Burrows (DE-105).
	Monteleoni, Leone	3 Jul 1945	1015	Guantanamo	3 Jul 1945	1735	Guantanamo	37	Exercises.
	Monteleoni, Leone	4 Jul 1945	0655	Guantanamo	4 Jul 1945	1443	Guantanamo	42	Exercises with the destroyer escorts USS Herbert C. Jones (DE-137) and USS J.R.Y. Blakely (DE-140) of CortDiv 9 (Escort Division 9).
	Monteleoni, Leone	5 Jul 1945	0640	Guantanamo	5 Jul 1945	1410	Guantanamo	30	Exercises.
	Monteleoni, Leone	6 Jul 1945	0640	Guantanamo	6 Jul 1945	1125	Guantanamo	23	Exercises.
	Monteleoni, Leone	8 Jul 1945	0715	Guantanamo	8 Jul 1945	1400	Guantanamo	33	Exercises with the destroyer escorts USS Inch (DE-146) and USS Snowden (DE-246).
	Monteleoni, Leone	10 Jul 1945	0638	Guantanamo	10 Jul 1945	1512	Guantanamo	36	Exercises.
	Monteleoni, Leone	12 Jul 1945	0710	Guantanamo	12 Jul 1945	1355	Guantanamo	45	Exercises with the destroyer escorts USS Stanton (DE-247) and USS Swasey (DE-248).
	Monteleoni, Leone	13 Jul 1945	0639	Guantanamo	13 Jul 1945	1424	Guantanamo	38	Exercises.
	Monteleoni, Leone	14 Jul 1945	0625	Guantanamo	14 Jul 1945	1008	Guantanamo	26	Exercises.
	Monteleoni, Leone	16 Jul 1945	0650	Guantanamo	16 Jul 1945	1245	Guantanamo	35	Exercises with the destroyers USS Steinaker (DD-863) and USS Bordelon (DD-881).
	Monteleoni, Leone	17 Jul 1945	0650	Guantanamo	17 Jul 1945	1245	Guantanamo	27	Exercises.
	Monteleoni, Leone	19 Jul 1945	1238	Guantanamo	19 Jul 1945	1744	Guantanamo	24	Exercises.
	Monteleoni, Leone	21 Jul 1945	0645	Guantanamo	21 Jul 1945	1500	Guantanamo	38	Exercises.
	Monteleoni, Leone	22 Jul 1945	0635	Guantanamo	22 Jul 1945	1439	Guantanamo	37	Exercises.
	Monteleoni, Leone	23 Jul 1945	0638	Guantanamo	23 Jul 1945	1410	Guantanamo	29	Exercises.
	Monteleoni, Leone	23 Jul 1945	0638	Guantanamo	23 Jul 1945	1410	Guantanamo	29	Exercises.
	Monteleoni, Leone	26 Jul 1945	0645	Guantanamo	26 Jul 1945	1350	Guantanamo	29	Exercises.
	Monteleoni, Leone	27 Jul 1945	0635	Guantanamo	27 Jul 1945	1405	Guantanamo	37	Exercises.
	Monteleoni, Leone	28 Jul 1945	0635	Guantanamo	28 Jul 1945	1500	Guantanamo	32	Exercises.
	Monteleoni, Leone	29 Jul 1945	1150	Guantanamo	29 Jul 1945	1745	Guantanamo	24	Exercises.
	Monteleoni, Leone	30 Jul 1945	0935	Guantanamo	30 Jul 1945	1650	Guantanamo	30	Exercises.
	Monteleoni, Leone	12 Aug 1945	0640	Guantanamo	12 Aug 1945	1430	Guantanamo	31	Exercises.
	Monteleoni, Leone	14 Aug 1945	0640	Guantanamo	14 Aug 1945	1420	Guantanamo	32	Exercises.
	Monteleoni, Leone	19 Aug 1945	0640	Guantanamo	19 Aug 1945	1445	Guantanamo	31	Exercises.
	Monteleoni, Leone	21 Aug 1945	0645	Guantanamo	21 Aug 1945	1420	Guantanamo	30	Exercises.
	Monteleoni, Leone	23 Aug 1945	0730	Guantanamo	23 Aug 1945	1450	Guantanamo	31	Exercises.
	Monteleoni, Leone	24 Aug 1945	0630	Guantanamo	24 Aug 1945	1345	Guantanamo	32	Exercises.
	Monteleoni, Leone	26 Aug 1945	0730	Guantanamo	26 Aug 1945	1640	Guantanamo	42	Exercises with the destroyer USS Selfridge (DD-357) and the high speed transport USS Cread (APD-88).
	Monteleoni, Leone	27 Aug 1945	0800	Guantanamo	27 Aug 1945	1500	Guantanamo	30	Exercises.
	Monteleoni, Leone	24 Sep 1945	1320	Guantanamo	30 Sep 1945	0800	Guantanamo	994,5	Passage Guantanamo-Port Royal with Atropo and Speri, escorted by the patrol vessel USS PC-1192.
	Monteleoni, Leone	5 Oct 1945	1240	Port Royal	16 Oct 1945	0950	Ponto Delgada	1955	Passage Port Royal-Ponto Delgada with Onice, Atropo, Speri, Vortice, Marea and Da Procida, escorted by the salvage vessel USS Chain (ARS-20). At 1607 hours on 5th September, she ran aground on a shoal in the narrow channel. Towed away by Chain (ARS-20) at 1840 hours on the same day. Bermuda records them leaving on 4th October.
	Monteleoni, Leone	21 Oct 1945	1210	Ponto Delgada	26 Oct 1945	0725	Gibraltar	1002	Passage Ponto Delgada-Gibraltar.
	Monteleoni, Leone	28 Oct 1945	1310	Gibraltar	3 Nov 1945	1045	Taranto	1310,5	Passage Gibraltar-Taranto with Da Procida, Onice, Atropo, Speri, Vortice and Marea, escorted by USS Chain (ARS-20). Met off Taranto by Italian torpedo boats Libra (LB), Ariete (AE) and Cassiopea (CS).

355 entries. 298 total patrol entries (24 marked as war patrols) and 82 events.

All Italian submarines

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