A U.S. Air Force flight engineer with the 352nd Special Operations Wing, guides an Estonian special operation forces member driving a military vehicle, off a U.S. Air Force CV-22B Osprey, during training Sep. 3, 2019, at Amari, Estonia. The CV-22 is a tilt-rotor aircraft that combines the vertical takeoff, hover, and vertical landing qualities of a helicopter with the long- range, fuel efficiency, and speed characteristics of a turboprop aircraft.