With stepped up security, a 48th Security Forces member inspects the undercarriage of a vehicle before granting it permission to enter RAF Lakenheath, UK. Shortly after 8 AM (EST) on September 11, 2001 in an attempt to frighten the American people, terrorist mounted attacks on the World Trade Centers Twin Towers and at the Pentagon. Hijackers deliberately flew civilian airliners into the buildings, killing themselves, the passengers and thousands on the ground. Security is always foremost at RAF Lakenheath, but security is even tighter to prevent another occurrence of the tragedies that struck New York and Washington D.C

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. With stepped up security, a 48th Security Forces member inspects the undercarriage of a vehicle before granting it permission to enter RAF Lakenheath, UK. Shortly after 8 AM (EST) on September 11, 2001 in an attempt to frighten the American people, terrorist mounted attacks on the World Trade Centers Twin Towers and at the Pentagon. Hijackers deliberately flew civilian airliners into the buildings, killing themselves, the passengers and thousands on the ground. Security is always foremost at RAF Lakenheath, but security is even tighter to prevent another occurrence of the tragedies that struck New York and Washington D.C. 2001-09-14. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6598759. (Accessed July 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2001-09-14) With stepped up security, a 48th Security Forces member inspects the undercarriage of a vehicle before granting it permission to enter RAF Lakenheath, UK. Shortly after 8 AM (EST) on September 11, 2001 in an attempt to frighten the American people, terrorist mounted attacks on the World Trade Centers Twin Towers and at the Pentagon. Hijackers deliberately flew civilian airliners into the buildings, killing themselves, the passengers and thousands on the ground. Security is always foremost at RAF Lakenheath, but security is even tighter to prevent another occurrence of the tragedies that struck New York and Washington D.C. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6598759
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/6598759>.
Note: These citations are programmatically generated and may be incomplete.