| Born | 23 Jun, 1913 | Berlin |
| Died | 4 Mar, 1943 | North Atlantic |
|
|
Ranks
Decorations |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-87 | 24 Dec, 1941 | Kiel | 30 Jan, 1942 | La Pallice | Patrol, | 38 days |
| 2. | U-87 | 22 Feb, 1942 | La Pallice | 27 Mar, 1942 | St. Nazaire | Patrol, | 34 days |
| 3. | U-87 | 19 May, 1942 | St. Nazaire | 8 Jul, 1942 | St. Nazaire | Patrol, | 51 days |
| 4. | U-87 | 31 Aug, 1942 | St. Nazaire | 20 Nov, 1942 | Brest | Patrol, | 82 days |
| 5. | U-87 | 9 Jan, 1943 | Brest | 4 Mar, 1943 | Sunk | Patrol, | 55 days |
| 5 patrols, 260 days at sea | |||||||
Ships hit by Joachim Berger
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 31 Dec, 1941 | U-87 | Cardita | 8.237 |  | br | HX-166 | |
| 17 Jan, 1942 | U-87 | Nyholt | 8.087 |  | nw | ON-52 | |
| 16 Jun, 1942 | U-87 | Cherokee | 5.896 |  | am | XB-25 | |
| 16 Jun, 1942 | U-87 | Port Nicholson | 8.402 | | br | XB-25 | |
| 11 Oct, 1942 | U-87 | Agapenor | 7.392 | | br | ||
| 38.014 | |||||||
* Unless otherwise noted the ships listed here were sunk. | |||||||
 Aces of the Reich Williamson, Gordon Buy this title at amazon.com See more sellers |
Books dealing with this subject include: Aces of the Reich, Williamson, Gordon, 1989 The Faustball Tunnel, Moore, John Hammond, 1978 Naval Officers Under Hitler, Rust, Eric C., 1991 Silent Hunters, Savas, Theodore P. (editor), 1997 (transl.) A Última Viagem do Lobo Cinzento, Fortes, Telmo, 1999 |
Decorations and ranks information is in many cases not complete. If you can help on any of those missing that would be great.