F-35 Lightning II demonstrator showcases fifth-generation capabilities
Republic of Korea Air Force Brigade General Duk-gu Cho, Korean Air Operations Center director, flies the F-35 Lightning II demonstrator with assistance from Lockheed Martin simulator instructor Matt Cliver Oct. 8, 2015, at Osan Air Base, Republic of Korea. Both ROKAF and United States Air Force members took the chance to fly the simulator throughout the day. (U.S. Air Force photo by Staff Sgt. Benjamin Sutton)