A row of U.S. Air Force F-16 Fighting Falcons, assigned to Kunsan Air Base, Republic of Korea, are parked for regular maintenance checks during Exercise Pitch Black 2018 at Royal Australian Air Force Base Darwin, Australia, July 31, 2018. This exercise allows regional partners and participating nations to exercise deployed units in the tasking, planning, and execution of offensive counter-air and offensive air support while utilizing one of the largest training airspace areas in the world. (U.S. Air Force photo by Senior Airman Savannah L. Waters)