Crew list of Ships hit by U-boats
James Joseph Costello
USNR (7088852). American
Roster information listed for James Joseph Costello
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | USS Block Island (CVE 21) | Escort carrier | Fire Controlman Second Class | 29 May 1944 | U-549 |