Marine Medium Tiltrotor Squadron 364 (VMM-364) is a United States Marine Corps medium-lift tiltrotor squadron consisting of MV-22B Ospreys. The squadron, known as the "Purple Foxes", is based at Marine Corps Air Station Camp Pendleton, California and falls under the command of Marine Aircraft Group 39 (MAG-39) and the 3rd Marine Aircraft Wing (3rd MAW).