Marine Fighter Training Squadron 402 (VMFT-402) is an adversary squadron of the United States Marine Corps Reserve, flying the F-5N Tiger II.

Marine Medium Helicopter Training Squadron 402 (HMMT-402) was commissioned on June 30, 1969, at Marine Corps Air Station New River, North Carolina.

The squadron was responsible for training pilots and aircrew to fly the Boeing Vertol CH-46 Sea Knight.

[1] On May 30, 2024, three Northrop F-5N Tiger IIs arrived at MCAS Beaufort, SC as the squadron began the process of standing up as the Marine Corps second aggressor squadron.

The unit's primary mission when commissioned will be to mimic adversary formations and tactics in order to help train east coast-based squadrons from both the 2d and 4th Marine Aircraft Wings.