Senior Airman Stephan Wojciechowski, 434th Civil Engineer Squadron explosives ordnance disposal technician, poses with an Air Force medium sized robot holding a civil war era cannon ball at Grissom Air Reserve Base, Indiana, July 12, 2020. Wojciechowski and a team of four other EOD specialists were sent to the Berrien Springs County Plaza Museum Berrien Springs, Michigan, June 18, when a new employee discovered multiple munitions, one with the message ‘danger, might be active’ attached to a post-it note. (U.S. Air Force photo/Master Sgt. Ben Mota)