US Air Force MASTER Sergeant James L. Purtell, Air Force Material Command, performs arrest procedures on US Air Force SENIOR AIRMAN Deryck Schnee during an simulated flight line intrusion in the Base Response event during DEFENDER CHALLENGE 2000 at Lackland Air Force Base, Texas. Defender Challenge is the annual Air Force wide competition sponsored by Air Force Security Forces. This competition showcases the talents and capabilities of 13 international Security Forces teams in 24 events six days

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. US Air Force MASTER Sergeant James L. Purtell, Air Force Material Command, performs arrest procedures on US Air Force SENIOR AIRMAN Deryck Schnee during an simulated flight line intrusion in the Base Response event during DEFENDER CHALLENGE 2000 at Lackland Air Force Base, Texas. Defender Challenge is the annual Air Force wide competition sponsored by Air Force Security Forces. This competition showcases the talents and capabilities of 13 international Security Forces teams in 24 events six days. 2000-11-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6520353. (Accessed June 23, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2000-11-01) US Air Force MASTER Sergeant James L. Purtell, Air Force Material Command, performs arrest procedures on US Air Force SENIOR AIRMAN Deryck Schnee during an simulated flight line intrusion in the Base Response event during DEFENDER CHALLENGE 2000 at Lackland Air Force Base, Texas. Defender Challenge is the annual Air Force wide competition sponsored by Air Force Security Forces. This competition showcases the talents and capabilities of 13 international Security Forces teams in 24 events six days. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6520353
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/6520353>.
Note: These citations are programmatically generated and may be incomplete.