Senior Airman Fariq Islam, 80th Aircraft Maintenance Unit weapons armament systems specialist, tightens bolts on an F-16 Fighting Falcon at Kunsan Air Base, Republic of Korea, Aug. 16, 2020. Armament systems, or AMMO, Airmen belong to the 8th Maintenance Squadron, and are responsible for servicing all electrical and mechanical parts of the F-16. (U.S. Air Force photo by Senior Airman Mya M. Crosby)