Col. Bill Boothman took command of the Missouri Air National Guard's 157th Air Operations Group during a change of command ceremony on the Parade Field at Jefferson Barracks, Missouri, Sept 10, 2016. L to r: 131st Bomb Wing commander Col Ken Eaves, Col Bill Boothman, outgoing 157th commander Col Rick Chapman, Technical Sgt. Nicholas Conrad. (U.S. Air National Guard photo by Staff Sgt. Brittany Cannon)