Crew list of Ships hit by U-boats
Joseph Leo Rock
USNR (8024249). American
Roster information listed for Joseph Leo Rock
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | USS Block Island (CVE 21) | Escort carrier | Water Tender First Class | 29 May 1944 | U-549 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| USS Block Island (CVE 21) | Escort carrier | Water Tender First Class | 29 May 1944 | U-549 |