 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (June 2023) |
| Marine Fighter Training Squadron 401 | |
|---|---|
 A formation of squadron F-5N Tiger IIs over MCAS Yuma in 2018 | |
| Active | 18 March 1986 – present |
| Country |  United States |
| Branch |  United States Marine Corps |
| Type | Adversary Squadron |
| Part of | United States Marine Corps Reserve |
| Garrison/HQ | Marine Corps Air Station Yuma, Arizona |
| Nickname(s) | "Snipers" |
| Tail Code | LS |
| Commanders | |
| Commanding Officer | LtCol Charles George |
| Executive Officer | LtCol Joel Adolphson |
| Insignia | |
| VMFT-401 insignia |  |
| Aircraft flown | |
| Fighter | F-21A Kfir F-5N Tiger II |
Marine Fighter Training Squadron 401 (VMFT-401) is an adversary squadron of the United States Marine Corps Reserve, flying the F-5N Tiger II. Known as the "Snipers", the squadron is the only adversary squadron in the Marine Corps, also is the first and only reserve squadron in the Marine Corps tasked to act as the opposing force in simulated air combat. They are based at Marine Corps Air Station Yuma and fall under the command of the 4th Marine Aircraft Wing and Marine Aircraft Group 41. VMFT-401 is a non-deployable unit.