Patrol info for U-10
Date lookup for 21 Apr 1940
| Departure | Arrival / Fate | Duration | ||
| 3 Apr 1940 | Wilhelmshaven | 21 Apr 1940 | Wilhelmshaven | 19 days |
Commander | Officers * |
 Oblt. Joachim Preuss |
1WO Oblt. Hans-Jürgen Zetzsche |
Patrol description
Formed U-boat group 9 (Shetland-Orkney) together with U-7 for Operation Weseruebung, the German invasion of Denmark and Norway. On 14 April, the boat resupplied from the depot ship Carl Peters in Bergen, Norway.
U-10's position on 21 Apr 1940
Ships hit by U-10 on this date
General Events during this patrol
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Attacks on U-10 during this patrol
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* These are officers that later became commanders themselves.