Col. Nicholas Evans, 613th Air Operations Center commander, salutes Gen. CQ Brown, Jr., Pacific Air Forces commander, during the 613th AOC change of command ceremony, Joint Base Pearl Harbor-Hickam, Hawaii, June 29, 2020. Evans most recently served as the commander of the 8th Operations Group, Kunsan Air Base, Republic of Korea. (U.S. Air Force photo by Staff Sgt. Mikaley Kline)