A memorial is revealed for Staff Sgt. Bryan D. Berkey, a former 28th Civil Engineer Squadron explosive ordnance disposal technician, during an EOD range dedication ceremony at Ellsworth Air Force Base, S.D., Aug. 17, 2018. Berkey was killed in action during a deployment while serving in the western province of Farah, Afghanistan, on Sept. 12, 2018. The EOD range at Ellsworth AFB was named in his honor. (U.S. Air Force photo by Tech. Sgt. Jette Carr)