Senior Airman Travis Shields, 80th Aircraft Maintenance Unit line delivery crew chief, instructs Senior Airman Christian Vasser, 8th Maintenance Squadron line delivery augmentee, at Kunsan Air Base, Republic of Korea, Aug. 16, 2020. Line delivery Airmen transport chaff and flares to F-16 Fighting Falcons ready for flight. (U.S. Air Force photo by Senior Airman Mya M. Crosby)