U.S. Air Force Maj. Gen. John Gordy, U.S. Air Force Expeditionary Center commander, explains what challenge coins are to the Manchester Township Elementary School (MTES) Honor Guard before presenting personal coins to them in Manchester Township, New Jersey, March 21, 2019. Gordy visited MTES to speak to the students and answer questions about his life and career in the Air Force. (U.S. Air Force photo by Tech. Sgt. Ashley Hyatt)