Nummer: 09902
| Area : | Western Area |
| Sea area : | US East Coast |
| Date of attack : | 25.05.1942 |
| Time of attack : | 20:53 |
| Nationality of U-boat : | German |
| U-boat : | U 593 |
| Commander : | Kelbling |
| Grid : | CA 5165 |
| presumed target type : | Tanker |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | unknown |
| Date of observation : | 25.05.1942 |
| Time of observation : | 20:00 |
| Nationality of target : | Panamanian |
| Actual type of target : | Motor Tanker |
| Name of target : | Persephone |
| Year of launch : | 1925 |
| Actual tonnage : | 8426 BRT |
| Actual result : | sunk |
| Position of target : | 39.44n 73.53w |
| Convoy : | unknown |