US Air Force SENIOR AIRMAN John Hil l, US Air Force Academy competitor, takes sharp aim with an M16A2 rifle during the Combat Rifle 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 seven physical fitness, base defense, and policing skills over six day

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. US Air Force SENIOR AIRMAN John Hil l, US Air Force Academy competitor, takes sharp aim with an M16A2 rifle during the Combat Rifle 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 seven physical fitness, base defense, and policing skills over six day. 2000-11-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6520336. (Accessed October 20, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2000-11-01) US Air Force SENIOR AIRMAN John Hil l, US Air Force Academy competitor, takes sharp aim with an M16A2 rifle during the Combat Rifle 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 seven physical fitness, base defense, and policing skills over six day. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6520336
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/6520336>.
Note: These citations are programmatically generated and may be incomplete.