U-991
Type | VIIC | |||||||||
| Ordered | 25 May 1941 | |||||||||
| Laid down | 30 Oct 1942 | Blohm & Voss, Hamburg (werk 191) | ||||||||
| Launched | 24 Jun 1943 | |||||||||
| Commissioned | 29 Jul 1943 | Oblt. Diethelm Balke | ||||||||
| Commanders |
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| Career 1 patrol |
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| Successes | No ships sunk or damaged | |||||||||
| Fate | Transferred from Bergen, Norway to Loch Ryan on 29 May, 1945 for Operation Deadlight Operation Deadlight (post-war Allied operation, info) | |||||||||
Schnorchel-fitted U-boat
This boat was fitted with a Schnorchel underwater-breathing apparatus in August 1944. Read more about the Schnorchel and see list of fitted boats.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-991 did not suffer any casualties (we know of) until the time of her loss.
![]() | We have an emblem for this boat! You can view it here. (The emblem on the left is not the emblem for this boat). |
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