160430-F-DL987-077
Col. Mark S. Larson, right, 931st Air Refueling Wing commander, salutes Maj. General John C. Flournoy Jr., 4th Air Force commander, during a re-designation ceremony April 30, 2016, at McConnell Air Force Base, Kansas. The 931 ARW, an associate unit of the active-duty 22 ARW, shares responsibilities for aircraft maintenance and flying operations for the largest KC-135 Stratotanker base in the Air Force. (U.S. Air Force photo by Senior Airman Preston Webb)