| Born | 22 Apr 1916 | Flensburg |
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Ranks
Decorations |
U-boat Commands
| U-boat | From | To | |
| U-664 | 17 Jun 1942 | 9 Aug 1943 | 5 patrols (167 days) |
Personal information
The young commander Adolf Graef did what many others could not do at that time; both survive over 160 days at sea and sink enemy shipping as well. 187 U-boats were lost during the time Graef was at sea and his boat was the last of that number. Hard times had befallen the U-boats by 1943.
Patrol info for Adolf Graef
| U-boat | Departure | Arrival | ||||||
| 1. | U-664 | 20 Oct 1942 | Kiel | 10 Nov 1942 | Brest | Patrol 1, | 22 days | |
| 2. | U-664 | 5 Dec 1942 | Brest | 13 Jan 1943 | La Pallice | Patrol 2, | 40 days | |
| 3. | U-664 | 14 Feb 1943 | La Pallice | 28 Mar 1943 | Lorient | Patrol 3, | 43 days | |
| 4. | U-664 | 29 Apr 1943 | Lorient | 9 Jun 1943 | Brest | Patrol 4, | 42 days | |
| 5. | U-664 | 21 Jul 1943 | Brest | 9 Aug 1943 | Sunk | Patrol 5, | 20 days | |
| 5 patrols, 167 days at sea | ||||||||
Ships hit by Adolf Graef
| Date | U-boat | Name of ship | Tons | Nat. | Convoy | ||
|---|---|---|---|---|---|---|---|
| 16 Dec 1942 | U-664 |  | Emile Francqui | 5,859 |  | be | ON-153 |
| 21 Feb 1943 | U-664 | H.H. Rogers | 8,807 |  | pa | ONS-167 | |
| 21 Feb 1943 | U-664 | Rosario | 4,659 |  | am | ONS-167 | |
| 19,325 | |||||||
3 ships sunk (19,325 tons). Legend | |||||||
About ranks and decorations
Ranks shown in italics are our database inserts based on the rank dates of his crew comrades. The officers of each crew would normally have progressed through the lower ranks at the same rate.