Col. Andrew Hansen, incoming 51st Fighter Wing commander, accepts the guideon and command of the wing from Lt. Gen. Terrence O'Shaughnessy, 7th Air Force commander, during the 51st FW change of command ceremony June 16, 2015, at Osan Air Base, Republic of Korea. Hansen is the 63rd commander in the wing's history. (U.S. Air Force photo by Staff Sgt. Jake Barreiro/Released)