Crew list of Ships hit by U-boats
Charles Clifford Knowles
USNR (6642082). American
Roster information listed for Charles Clifford Knowles
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | USS Block Island (CVE 21) | Escort carrier | Machinist's Mate Second Class | 29 May 1944 | U-549 |