U.S. Air Force Lt. Col. John Riker, the incoming commander of the 442d Civil Engineer Squadron, renders his first salute during a change of command ceremony November 7, 2021, on Whiteman Air Force Base, Mo. Riker received his commission in 2002 as a graduate of the Air Force Reserve Officer Training Corps at Rensselaer Polytechnic Institute in Troy, New York. (U.S. Air Force photo by Tech. Sgt. Missy Sterling)
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