Crew list of Ships hit by U-boats
Curtis Nelson Butler
USNR (6604304). American
Roster information listed for Curtis Nelson Butler
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | USS Block Island (CVE 21) | Escort carrier | Radarman Second Class | 29 May 1944 | U-549 |