Col. John R. Edwards, the 28th Bomb Wing commander, and his wife, Jennifer, talk to 28th Security Forces personnel after a Military Working Dog demonstration during a Base Appreciation Day at Ellsworth Air Force Base, S.D., Sept. 16, 2017. The event celebrated the Air Force’s 70th Anniversary by hosting displays from non-profit organizations and 28th Civil Engineer Squadron flights as well as providing bouncy castles and other games for attendees to enjoy. (U.S. Air Force photo by Airman 1st Class Randahl J. Jenson)