U.S. Army Maj. David Blackmon, commander of the 251st

U.S. Army Maj. David Blackmon, commander of the 251st Area Support Medical Company, South Carolina Army National Guard, coordinates with the incident safety officer during a mass casualty collection point in a joint training exercise at Camp Fretterd, Reisterstown, Maryland, March 8, 2017.  The 251st along with the 231st Chemical Company from the Maryland Army National Guard are participating in an U.S. Army North validation exercise where they will be setting up a full medical area and completing triage at the casualty collection point. (U.S. Air National Guard photo by Tech. Sgt. Jorge Intriago)