The construction number of this Osprey is unconfirmed. The tilt-rotor is coming from the Lor Rate Initial Production Lot 115 series and was part of the US Navy FY2011 budget. As they are support aircraft, the are named "Green Tops", the other assetts of HMX-1 are named "White Tops" and these transport the VIPs. HMX-1 operates a dozen MV-22Bs.