Crew list of Ships hit by U-boats
O. Olsen
Merchant Navy. Norwegian
Roster information listed for O. Olsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Tosca | Motor merchant | Able Seaman | 10 Apr 1940 | U-37 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Tosca | Motor merchant | Able Seaman | 10 Apr 1940 | U-37 |