Crew list of Ships hit by U-boats
Ralph Warren Olsen
USNR (6641970). American
Roster information listed for Ralph Warren Olsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | USS Block Island (CVE 21) | Escort carrier | Aviation Ordnanceman First Class | 29 May 1944 | U-549 |