Crew list of Ships hit by U-boats
Jasper L. Custer
USNR. American
Roster information listed for Jasper L. Custer
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | USS Block Island (CVE 21) | Escort carrier | Commander | 29 May 1944 | U-549 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| USS Block Island (CVE 21) | Escort carrier | Commander | 29 May 1944 | U-549 |