STAFF Sergeant Michael McAfee, USAF, (left) an Lieutenant Colonel Alvin Kemmet, USAF, 21st Space Wing "Knights" from Peterson Air Force Base, Colorao, congratulate SENIOR AIRMAN Rene Marvel, USAF, (back to camera), upon completion of the chef marksmanship competition at GUARDIAN CHALLENGE 2001, at Vanenberg Air Force Base, California. GUARDIAN CHALLENGE, the worl's premier space an missile competition, is a four-ay event hoste annually at Vanenberg AFB, CA "to recognize the best an emonstrate the commans warfighting skills. GUARDIAN CHALLENGE creates competition-tough crews; improves reainess an combat capabilities through preparation, innovation an sharing; enhances esprit...

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. STAFF Sergeant Michael McAfee, USAF, (left) an Lieutenant Colonel Alvin Kemmet, USAF, 21st Space Wing "Knights" from Peterson Air Force Base, Colorao, congratulate SENIOR AIRMAN Rene Marvel, USAF, (back to camera), upon completion of the chef marksmanship competition at GUARDIAN CHALLENGE 2001, at Vanenberg Air Force Base, California. GUARDIAN CHALLENGE, the worl's premier space an missile competition, is a four-ay event hoste annually at Vanenberg AFB, CA "to recognize the best an emonstrate the commans warfighting skills. GUARDIAN CHALLENGE creates competition-tough crews; improves reainess an combat capabilities through preparation, innovation an sharing; enhances esprit.... 2001-05-07. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6600238. (Accessed June 19, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2001-05-07) STAFF Sergeant Michael McAfee, USAF, (left) an Lieutenant Colonel Alvin Kemmet, USAF, 21st Space Wing "Knights" from Peterson Air Force Base, Colorao, congratulate SENIOR AIRMAN Rene Marvel, USAF, (back to camera), upon completion of the chef marksmanship competition at GUARDIAN CHALLENGE 2001, at Vanenberg Air Force Base, California. GUARDIAN CHALLENGE, the worl's premier space an missile competition, is a four-ay event hoste annually at Vanenberg AFB, CA "to recognize the best an emonstrate the commans warfighting skills. GUARDIAN CHALLENGE creates competition-tough crews; improves reainess an combat capabilities through preparation, innovation an sharing; enhances esprit.... Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6600238
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/6600238>.
Note: These citations are programmatically generated and may be incomplete.