Nummer: 28405a
| Area : | Pacific Ocean |
| Sea area : | Southeast Asia |
| Date of attack : | 03.10.1943 |
| Time of attack : | 18:12 |
| Nationality of U-boat : | Japanese |
| U-boat : | Ro-108 |
| Commander : | Arai |
| Grid : | Huon-B. |
| presumed target type : | Destroyer |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | Task F. |
| Date of observation : | 03.10.1943 |
| Time of observation : | 18:19 |
| Nationality of target : | American |
| Actual type of target : | Destroyer |
| Name of target : | Henley (DD 391) |
| Year of launch : | 1937 |
| Actual tonnage : | 1646 ts |
| Actual result : | sunk |
| Position of target : | 07.40s 148.06e |
| Footnote : | Ro-108 reported two of three destroyers sunk. The destroyers "Reid" and "Smith" reported several torpedo wakes. |
| related attacks : | Angriff 1 Angriff 2 |
| Convoy : | Task F. |
| updated on: | 00.09.2008 |
| Remark: | A-Zeit 18:12 |