Diethelm Balke
Kapitänleutnant (Crew 37b)
No ships sunk or damaged.
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| 9 Oct, 1937 | Offiziersanwärter | | 1 Apr, 1939 | Fähnrich zur See | | 1 Mar, 1940 | Oberfähnrich zur See | | 1 May, 1940 | Leutnant zur See | | 1 Apr, 1942 | Oberleutnant zur See | | 1 Jan, 1945 | Kapitänleutnant |
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U-boat Commands
| U-991 | 29 Jul, 1943 | - | 8 May, 1945 | 1 patrol (73 days) |
Patrol info
| | U-boat | Departure |
Arrival | | |
| 1. |
U-991
|
5 Oct, 1944 | Kiel | 7 Oct, 1944 | Horten | | 3 days |
| 2. |
U-991
|
11 Oct, 1944 | Horten | 12 Oct, 1944 | Kristiansand | | 2 days |
| 3. |
U-991
|
15 Oct, 1944 | Kristiansand | 26 Dec, 1944 | Bergen | Patrol | 73 days |
| 4. |
U-991
|
27 Dec, 1944 | Bergen | 29 Dec, 1944 | Marviken | | 3 days |
| 5. |
U-991
|
2 Jan, 1945 | Marviken | 4 Jan, 1945 | Flensburg | | 3 days |
| 6. |
U-991
|
20 Apr, 1945 | Kiel | 27 Apr, 1945 | Horten | | 8 days |
| 7. |
U-991
|
29 Apr, 1945 | Horten | 4 May, 1945 | Bergen, Norway | | 6 days |
Special thanks to Fernando Almeida for data on ranks and decorations.
