Marine Candidates attending Officers Candidate School (OCS) aboard Marine Corps Base Quantico, Virginia, complete obstacles on the Crucible. The Crucible is the final performance task that test both physical and mental endurance before the candidates are commisioned as 2nd Lieutenants in the Marine Corps

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Marine Candidates attending Officers Candidate School (OCS) aboard Marine Corps Base Quantico, Virginia, complete obstacles on the Crucible. The Crucible is the final performance task that test both physical and mental endurance before the candidates are commisioned as 2nd Lieutenants in the Marine Corps. 2000-07-06. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6526251. (Accessed October 18, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2000-07-06) Marine Candidates attending Officers Candidate School (OCS) aboard Marine Corps Base Quantico, Virginia, complete obstacles on the Crucible. The Crucible is the final performance task that test both physical and mental endurance before the candidates are commisioned as 2nd Lieutenants in the Marine Corps. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6526251
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/6526251>.
Note: These citations are programmatically generated and may be incomplete.