Crew list of Ships hit by U-boats
Hjalmar R. Jansen
Merchant Marine. American
| Died | 21 Feb 1943 |
Roster information listed for Hjalmar R. Jansen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Rosario | Steam merchant | Carpenter | 21 Feb 1943 (+) | U-664 |
| Died | 21 Feb 1943 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Rosario | Steam merchant | Carpenter | 21 Feb 1943 (+) | U-664 |