Crew list of Ships hit by U-boats
John Supanic
Merchant Marine. American
| Born | 1922 | ||
| Died | 15 Feb 1943 | (21) |
Roster information listed for John Supanic
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Atlantic Sun | Motor tanker | Ordinary Seaman | 15 Feb 1943 (+) | U-607 |