Crew list of Ships hit by U-boats
John S. Gietek
Merchant Marine. American
| Died | 20 May 1942 |
Roster information listed for John S. Gietek
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Halo | Steam tanker | First Assistant Engineer | 20 May 1942 (+) | U-506 |
| Died | 20 May 1942 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Halo | Steam tanker | First Assistant Engineer | 20 May 1942 (+) | U-506 |