Patrol info for U-137
Date lookup for 28 Jun 1941
| Departure | Arrival / Fate | Duration | ||
| 21 Jun 1941 | Bergen | 4 Jul 1941 | Bergen | 14 days |
Commander | Officers * |
 Oblt. Hanns-Ferdinand Massmann |
BdU war diary notes on patrol: U 137 has started on return passage. She still has all her torpedoes, there being no traffic in the operational area. This return passage is very premature. It is surprising as the boat has only been at sea for 14 days. The Commanding Officer will be asked to give a reason for it.
U-137's position on 28 Jun 1941
Ships hit by U-137 on this date
General Events during this patrol
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Attacks on U-137 during this patrol
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* These are officers that later became commanders themselves.