Crew list of Ships hit by U-boats
Harley Duane Oker
Merchant Marine (Z 302223). American
| Born | 1921 | ||
| Died | 18 Mar 1943 | (22) |
Roster information listed for Harley Duane Oker
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Walter Q. Gresham | Steam merchant | Oiler | 18 Mar 1943 (+) | U-221 |