Crew list of Ships hit by U-boats
Leonard R. Sylvester
USN. American
Roster information listed for Leonard R. Sylvester
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | William Clark | Steam merchant | Seaman Second Class | 4 Nov 1942 | U-354 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| William Clark | Steam merchant | Seaman Second Class | 4 Nov 1942 | U-354 |