Senior Airman Luke Morse, 28th Civil Engineer Squadron explosive ordnance disposal journeyman, maneuvers an Air Force Medium-Sized Robot to retrieve an inert training aid from underneath a government vehicle during an improvised explosive device training scenario at the EOD building on Ellsworth Air Force Base, S.D., April 19, 2012. EOD trains constantly to be able to respond to areas and defuse a variety of chemical, biological, nuclear, radiological and explosive hazards. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)