Crew list of Ships hit by U-boats
John Karlsen
Merchant Navy. Norwegian
Roster information listed for John Karlsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Bidevind | Motor merchant | Chief Engineer Officer | 1 May 1942 | U-752 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Bidevind | Motor merchant | Chief Engineer Officer | 1 May 1942 | U-752 |