NAVAL STATION GUANTANAMO BAY, Cuba - The United States Coast Guard Maritime Safety and Security Team Boston (91110) and the Marine Corps Security Forces Company simulate the extraction process of an injured person during a casualty evacuation exercise August 17th. Both MSST Boston and MCSF provide twenty-four hour security to both the Joint Task Force and Naval Station. U.S. Navy photo by Petty Officer 2nd class Kilho Park.