Airman 1st Class Pedro Muriel, 36th Aircraft Maintenance Unit assistant dedicated crew chief, clears 1st Lt. Adam Dengler, 36th Fighter Squadron F-16 Fighting Falcon pilot, for flight at Osan Air Base, Republic of Korea, April 21, 2021. Once preflight checks are complete the crew chief clears the pilot for launch. (U.S. Air Force Photo by Senior Airman Noah Sudolcan)