During Exercise NORTHERN EDGE 2001, a port security member of Canadian Port Security Unit 4, Esquimalt, British Columbia, is captured by an enemy aggressor, Marine Lance Corporal Flack, 4th Marine Reconaissance Division, Elmendorf Air Force Base, Alaska, while on the dock. Northern Edge is Alaska's premier joint training exercise. There are over 10,000 military members from North America participating in the exercise and it will lasts for two weeks

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. During Exercise NORTHERN EDGE 2001, a port security member of Canadian Port Security Unit 4, Esquimalt, British Columbia, is captured by an enemy aggressor, Marine Lance Corporal Flack, 4th Marine Reconaissance Division, Elmendorf Air Force Base, Alaska, while on the dock. Northern Edge is Alaska's premier joint training exercise. There are over 10,000 military members from North America participating in the exercise and it will lasts for two weeks. 2001-03-27. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6521812. (Accessed November 18, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2001-03-27) During Exercise NORTHERN EDGE 2001, a port security member of Canadian Port Security Unit 4, Esquimalt, British Columbia, is captured by an enemy aggressor, Marine Lance Corporal Flack, 4th Marine Reconaissance Division, Elmendorf Air Force Base, Alaska, while on the dock. Northern Edge is Alaska's premier joint training exercise. There are over 10,000 military members from North America participating in the exercise and it will lasts for two weeks. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6521812
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/6521812>.
Note: These citations are programmatically generated and may be incomplete.