Marine Medium Tiltrotor Squadron 264 (VMM-264) is a United States Marine Corps tiltrotor squadron consisting of MV-22 Osprey transport aircraft. The squadron, known as the "Black Knights", is based at Marine Corps Air Station New River, North Carolina, and normally falls under the command of Marine Aircraft Group 26 (MAG-26) and the 2nd Marine Aircraft Wing (2nd MAW). They were the last east coast CH-46 Sea Knight squadron to transition to the Osprey.