A Marine, in a temporary fighting position, mans an FNMI 5.56 mm M249 Squad Automatic Weapon (SAW) at a guard post on stern of the hospital USS Comfort, at Pier 92, New York Harbor. The ships presence and extra protective measures were implemented after terrorist attacks on the World Trade Centers Twin Towers in New York and at the Pentagon, when hijackers deliberately flew civilian airliners into the buildings, on the morning of 11 September 2001

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. A Marine, in a temporary fighting position, mans an FNMI 5.56 mm M249 Squad Automatic Weapon (SAW) at a guard post on stern of the hospital USS Comfort, at Pier 92, New York Harbor. The ships presence and extra protective measures were implemented after terrorist attacks on the World Trade Centers Twin Towers in New York and at the Pentagon, when hijackers deliberately flew civilian airliners into the buildings, on the morning of 11 September 2001. 2001-09-18. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6598521. (Accessed July 19, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2001-09-18) A Marine, in a temporary fighting position, mans an FNMI 5.56 mm M249 Squad Automatic Weapon (SAW) at a guard post on stern of the hospital USS Comfort, at Pier 92, New York Harbor. The ships presence and extra protective measures were implemented after terrorist attacks on the World Trade Centers Twin Towers in New York and at the Pentagon, when hijackers deliberately flew civilian airliners into the buildings, on the morning of 11 September 2001. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6598521
MLA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6598521>.
Note: These citations are programmatically generated and may be incomplete.