An F-35A Lightning II taxis during a combat exercise at Hill Air Force Base, Utah, May 1, 2019. The active duty 388th Fighter Wing and Reserve 419th FW, along with F-16 Fighting Falcon units from Holloman AFB, N.M. and Kunsan Air Base, South Korea, conducted an integrated combat exercise where maintainers were tasked to continually provide ready aircraft and pilots to take off in waves to simulate a large force engagement with enemy aircraft. (U.S. Air Force photo by R. Nial Bradshaw)