The submarine Thornback (SS-418) of the US Navy.
Technical information
| Type | Submarine |
| Displacement | 1570 / 2416 BRT |
| Length | 312 feet |
| Complement | 6 + 60 men |
| Armament | Ten 21" torpedo tubes, six forward, four aft, 24 torpedoes. one 5"/25 deck gun. one 40mm gun. one 20mm gun. two .50 cal. machine guns. |
| Max speed | 20.25 / 8.75 kts. knots (surfaced/submerged) |
| Engines | Diesel / Electric |
| Power | 5400 / 2740 hp. (surfaced/submerged) |
| Notes on class |
All ships of the Tench class
| ||
| Amberjack (ii) (SS-522) | ||
| Argonaut (ii) (SS-475) | ||
| Conger (SS-477) | ||
| Corsair (SS-435) | ||
| Cutlass (SS-478) | ||
| Diablo (SS-479) | ||
| Grampus (ii) (SS-523) | ||
| Grenadier (ii) (SS-525) | ||
| Irex (SS-482) | ||
| Medregal (SS-480) | ||
| Odax (SS-484) | ||
| Pickerel (ii) (SS-524) | ||
| Pomodon (SS-486) | ||
| Remora (SS-487) | ||
| Runner (ii) (SS-476) | ||
| Sarda (SS-488) | ||
| Sea Leopard (SS-483) | ||
| Sirago (SS-485) | ||
| Spinax (SS-489) | ||
| Unicorn (SS-436) | ||
| Volador (SS-490) | ||
| Walrus (SS-437) | ||
 | Quillback (SS-424) | |
| Requin (SS-481) | ||
| | Tench (SS-417) | |
| | Thornback (SS-418) | |
| | Tigrone (SS-419) | |
| | Tirante (SS-420) | |
| | Toro (SS-422) | |
| | Torsk (SS-423) | |
| Trutta (SS-421) | ||
| ||
US Navy (more on See all Submarine classes.
 U-Boats Attack! Jak P. Mallman Showell |
Books dealing with this subject include:
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