Nummer: 25008
| Area : | Mediterranean |
| Sea area : | Tyrrhenian Sea |
| Date of attack : | 21.09.1943 |
| Time of attack : | 09:10 |
| Nationality of U-boat : | German |
| U-boat : | U 593 |
| Commander : | Kelbling |
| Grid : | CJ 9132 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | NSS.3 |
| Date of observation : | 21.09.1943 |
| Time of observation : | 09:20 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | William W. Gerhard |
| Year of launch : | 1943 |
| Actual tonnage : | 7176 BRT |
| Actual result : | sunk |
| Position of target : | 40.05n 14.43e |
| Footnote : | U-593 reported one freighter probably sunk und one more torpedoed. |
| Convoy : | NSS.3 |