US Air Force STAFF Sergeant Tim Kane of Air Force Materiel Command concentrates hard on a target during the combat rifle competition portion of DEFENDER CHALLENGE 2000 at Camp Bullis, 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 days

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. US Air Force STAFF Sergeant Tim Kane of Air Force Materiel Command concentrates hard on a target during the combat rifle competition portion of DEFENDER CHALLENGE 2000 at Camp Bullis, 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 days. 2000-11-02. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6521123. (Accessed June 23, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2000-11-02) US Air Force STAFF Sergeant Tim Kane of Air Force Materiel Command concentrates hard on a target during the combat rifle competition portion of DEFENDER CHALLENGE 2000 at Camp Bullis, 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 days. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6521123
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/6521123>.
Note: These citations are programmatically generated and may be incomplete.