A U.S. Air Force F-16 Fighting Falcon from Kunsan Air Base, Republic of Korea, flies at sunset during Exercise Pitch Black 2018 at Royal Australian Air Force Base Darwin, Australia, Aug. 9, 2018. This training focuses on exercising international forces in the planning and execution of large-scale offensive, counter-air and counter-land operations in a coalition environment against a capable adversary force. (U.S. Air Force photo by Senior Airmen Savannah L. Waters)