VMM 365 Marine Medium Tiltrotor Squadron 365 (USMC) VMM 365, officially known as the Marine Medium Tiltrotor Squadron 365, is a United States Marine Corps aviation unit under the command of Marine Aircraft Group 14. The squadron operates MV-22B Osprey tiltrotor aircraft, a multi-mission platform that combines the role of a conventional helicopter with the long-range, high-speed cruise performance of a fixed-wing aircraft. VMM 365 is part of the Marine Air-Ground Task Force and provides vital support for amphibious operations, humanitarian assistance, disaster response, and combat missions around the world. The squadron's primary mission is to deliver troops, equipment, and supplies to operational areas quickly and efficiently, while also providing close air support when necessary.