Members of the 354th Operations Support Squadron render their final salute to Lt. Col. Matthew Belle, the previous 354th OSS commander, during a change of command (COC) ceremony June 22, 2018, at Eielson Air Force Base, Alaska. During a COC, a final salute is rendered to the outgoing commander and a first salute is rendered to the incoming commander. (U.S. Air Force photo by Airman 1st Class Eric M. Fisher)