Nummer: 29111a
| Area : | Pacific Ocean |
| Sea area : | Southeast Asia |
| Date of attack : | 04.08.1945 |
| Time of attack : | 02:15 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-53 |
| Commander : | Oba / Seki |
| Grid : | Philippine Sea |
| presumed target type : | Destroyer [?] |
| presumed result : | sunk |
| Used weapon(s) : | "kaiten" = Human Torpedo |
| Nationality of target : | American |
| Actual type of target : | Destroyer Escort |
| Name of target : | Earl V. Johnson (DE.702) |
| Year of launch : | 1943 |
| Actual tonnage : | 1740 ts |
| Actual result : | slightly damaged |
| Footnote : | I-53 launched two kaitens, piloted by Ensign Seki and FPO1C Arakawa, against two escort vessels. Two detonations were heard. - Destroyer "Earl V Johnson" was damaged by a near miss. I-53 reported that she was attacked by the destroyer with machine gunfire. |
| related attacks : | Angriff 1 |
| updated on: | 00.00.0000 |
| Remark: | Seki (Toyooko) |