First Battalion Four Marines
Personnel Rosters - H&S Company
1 January - 31 December 1965
Tour Date - When Joined Company
| Name | Rank | MOS | Tour | Purple Heart | Purple Heart | KIA |
| Yanez, Salvador | L/Cpl | 3531 | ||||
| Yanowski, Thomas J | PFC | 2511 | ||||
| Ybarra, Jesus | L/Cpl | 3371 | ||||
| Yeack, James L | PFC | 3371 | ||||
| Yoho, Marvin B | L/Cpl | 0341 | ||||
| Yost, Clyde D | L/Cpl | 3371 | ||||
| Youmans, Tommy L | Cpl | 0441 | ||||