Breacher Training
Staff Sgt. John Bonebrake, 620th Ground Support Training Squadron breacher instructor, and Staff Sgt. David Meadows, 620th GSTS formal training instructor, demonstrate how to breach into a building using an improvised door charge at Camp Guernsey, Wyo., Feb. 16, 2014. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder/RELEASED)