Senior Airman Jovane Concha, 321st Contingency Response Squadron security forces specialist, fires blank rounds from an M4 carbine at simulated opposing forces for a base defense training scenario during Exercise Turbo Distribution at Fort Stewart-Hunter Army Airfield, Georgia, Feb. 14, 2020. Members of the 621st Contingency Response Wing, U.S. Army 689th Rapid Port Opening Element and Defense Logistics Agency Rapid Deployment Team to become a Joint Task Force-Port Opening unit capable of deploying to provide mobility options and facilitating humanitarian and disaster relief assistance. (U.S. Air Force photo by Staff Sgt. Sarah Brice)