Crew list of Ships hit by U-boats
Douglas John Harkes
Merchant Navy. British
| Born | 1921 | Gifford | |
| Died | 29 Aug 1940 | (19) |
Roster information listed for Douglas John Harkes
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Astra II | Steam merchant | Radio Officer | 29 Aug 1940 (+) | U-100 (1) |