Major General (MGEN) Judd Blaisdell, USAF, (left), Air STAFF, MGEN Tim McMahon, USAF, 20th AF/CC, and Colonel Steve Lanning, USAF, (right), 30th SW/CC greet GUARDIAN CHALLENGE competitors from the 50th Space Wing (SW). GUARDIAN CHALLENGE, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB, CA "to recognize the best and demonstrate the commands warfighting skills. GUARDIAN CHALLENGE creates competition-tough crews; improves readiness and combat capabilities through preparation, innovation and sharing; enhances esprit de corps and strengthens teamwork across all mission areas in the command."

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Major General (MGEN) Judd Blaisdell, USAF, (left), Air STAFF, MGEN Tim McMahon, USAF, 20th AF/CC, and Colonel Steve Lanning, USAF, (right), 30th SW/CC greet GUARDIAN CHALLENGE competitors from the 50th Space Wing (SW). GUARDIAN CHALLENGE, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB, CA "to recognize the best and demonstrate the commands warfighting skills. GUARDIAN CHALLENGE creates competition-tough crews; improves readiness and combat capabilities through preparation, innovation and sharing; enhances esprit de corps and strengthens teamwork across all mission areas in the command.". 2001-05-06. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6600202. (Accessed October 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2001-05-06) Major General (MGEN) Judd Blaisdell, USAF, (left), Air STAFF, MGEN Tim McMahon, USAF, 20th AF/CC, and Colonel Steve Lanning, USAF, (right), 30th SW/CC greet GUARDIAN CHALLENGE competitors from the 50th Space Wing (SW). GUARDIAN CHALLENGE, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB, CA "to recognize the best and demonstrate the commands warfighting skills. GUARDIAN CHALLENGE creates competition-tough crews; improves readiness and combat capabilities through preparation, innovation and sharing; enhances esprit de corps and strengthens teamwork across all mission areas in the command.". Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6600202
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/6600202>.
Note: These citations are programmatically generated and may be incomplete.