Nummer: 15317a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 06.03.1943 |
| Time of attack : | 15:18 |
| Nationality of U-boat : | German |
| U-boat : | U 410 |
| Commander : | Fenski |
| Grid : | CG 8511 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | damaged |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | KMS.10 |
| Date of observation : | 06.03.1943 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Fort Battle River |
| Year of launch : | 1942 |
| Actual tonnage : | 7133 BRT |
| Actual result : | sunk |
| Position of target : | 36.33n 10.22w |
| related attacks : | Angriff 1 Angriff 2 |
| Convoy : | KMS.10 |
| Route of convoy : | United Kingdom - Gibraltar - North Africa |
| Remark to convoy : | Since Oct 1942, former OG (counter traffic = MKF, MKS). |