A sailor transmits a radio message during counter-improvised explosive device training, as part of a U.S. and German combined subject matter expert exchange at Joint Expeditionary Base Little Creek, Virginia Beach, Va., Dec. 5, 2017. The U.S. sailors are explosive ordnance disposal technicians assigned to the Explosive Ordnance Disposal Mobile Unit 12. Navy photo by Petty Officer 2nd Class Charles Oki