First Battalion Fourth Marines
Corpsmen
Casualties Alphabetically by Year - 1966
| Name | Rank | DOB | KIA | AGE | Reason | Province | Marital Status |
| Baker, Larry James | HM3 | 18 Jul 42 | 16 Sep 66 | 24 | Gun, Small Arms Fire | Quang Tri | Single |
| Gillespie, Martin L, Jr | HM3 | 21 Jan 40 | 21 Mar 66 | 26 | Multiple Fragmentation Wounds | Quang Ngai | Single |
| Rohan, William James | HM3 | 4 Nov 46 | 16 Sep 66 | 19 | Gun, Small Arms Fire | Quang Tri | Single |
| St John, Ronald George | HN | 26 Sep 46 | 16 Sep 66 | 19 | Multiple Fragmentation Wounds | Quang Tri | Single |