NEW YORK – Coast Guard crewmembers aboard a 33-foot Special Purpose Craft – Law Enforcement boat from Coast Guard Maritime Security Response Team (MSRT) transport personnel during a mass casualty drill conducted on the East River outside the United Nations Building, Sept. 21, 2018. The Coast Guard along with multiple agencies, support maritime safety and security during the country’s largest National Special Security Event (NSSE). (U.S. Coast Guard photo by Petty Officer 3rd Class Hunter Medley)