Nummer: 10617
| Area : | Western Area |
| Sea area : | Central Atlantic |
| Date of attack : | 28.06.1942 |
| Time of attack : | 15:38 |
| Nationality of U-boat : | German |
| U-boat : | U 203 |
| Commander : | Mützelburg |
| Grid : | DO 9734 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 7200 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 28.06.1942 |
| Time of observation : | 12:45 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Sam Houston |
| Year of launch : | 1942 |
| Actual tonnage : | 7176 BRT |
| Actual result : | sunk |
| Position of target : | 19.21n 62.22w |
