Crew list of Ships hit by U-boats
Joseph Grabenstein
Merchant Marine. American
| Died | 7 Feb 1943 |
Roster information listed for Joseph Grabenstein
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Henry R. Mallory | Troop transport | Doctor | 7 Feb 1943 (+) | U-402 |
| Died | 7 Feb 1943 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Henry R. Mallory | Troop transport | Doctor | 7 Feb 1943 (+) | U-402 |