U.S Air Force Staff Sgt. Daniel Propst, 961st Airborne Air Control Squadron air surveillance officer and Tech. Sgt. Johnny Hollis IV, 961st AACS instructor senior surveillance technician, review a preflight checklist April 27, 2020, at Kadena Air Base, Japan. Propst was selected as the first Pacific Air Forces enlisted member to qualify for the air surveillance officer course, a job normally reserved for commissioned officers. As an ASO, Propst is in charge of the senior surveillance technician and air surveillance technicians on the aircraft. (U.S. Air Force photo by Staff Sgt. Benjamin Sutton)