Brig. Gen. Paul W. Tibbets IV, 509th Bomb Wing commander, speaks to the guests during the 509th BW Change of Command Ceremony at Whiteman Air Force Base, Mo., June 5, 2015. More than 300 guests attended the ceremony to welcome Tibbets as the new commander. (U.S. Air Force photo by Staff Sgt. Alexandra M. Longfellow/Released)