190817-F-OH683-1007
Maj. Benjamin Calhoon, 22nd Air Force executive officer, listens to presentation from Drew Cribbs, high school student from Madison, Ga., about GPS technology at Rock Eagle 4-H Center in Eatonton, Ga., Aug 17, 2019. Maj. Calhoon served as capnote speaker for the event and in previous assignments oversaw operations and policy for GPS.