Crew list of Ships hit by U-boats
George Leonard Koster
Merchant Navy. British
| Born | 1896 |
Roster information listed for George Leonard Koster
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Adda | Motor passenger ship | Assistant Steward | 8 Jun 1941 | U-107 |
| Born | 1896 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Adda | Motor passenger ship | Assistant Steward | 8 Jun 1941 | U-107 |