Nummer: 28506
| Area : | Pacific Ocean |
| Sea area : | Central Pacific |
| Date of attack : | 19.06.1944 |
| Time of attack : | 18:07 |
| Nationality of U-boat : | Japanese |
| U-boat : | Ro-115 |
| Commander : | Koreeda |
| Grid : | NW Rota |
| presumed target type : | Fleet Carrier |
| presumed tonnage : | 14700 ts |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | Task F. |
| Actual type of target : | Fleet Carrier |
| Name of target : | Saratoga Class |
| Year of launch : | 1925 |
| Actual tonnage : | 40000 ts |
| Actual result : | hit not ascertained |
| Position of target : | 50nm NW Rota |
| Footnote : | Ro-115 reported one carrier of "Wasp"-class sunk. |
| Convoy : | Task F. |