Capt. Edward Ryan, a Fire Department of the City of New York (FDNY) firefighter, demonstrates to U.S. Army Reserve Soldiers, including Sgt. O’Connor, Detachment 8, 328th Combat Support Hospital, left, and Sgt. Jason Benjamin, 468th Engineer Detachment, 368th Engineer Battalion, 302d Manuever Enhancement Brigade, 412th Theater Engineer Command, how the FDNY cares for ambulatory victims at the New York City Fire Department (FDNY) Fire Academy on Randalls Island in New York City, New York, July 9, 2018. FDNY with U.S. Army Northern Command (NORTHCOM) conducts training as a joint exercise simulating Chemical, Biological, Radiological, and Nuclear (CBRN) events to maximize the appropriate response from first response. (U.S. Army Reserve photo by Sgt. 1st Class Clinton Wood)