US Air Force (USAF) Guardian Challenge team personnel and mascot from the 90th Space Wing (SW) at F.E. Warren Air Force Base (AFB), Wyoming (WY), land in a USAF C-141B cargo aircraft at Vandenberg Air Force Base (AFB), California (CA) and are greeted by the Space Command (AFSPC) Commander General (GEN) Lance Lord (second from right). Guardian Challenge is the world's premier space and missile competition, a four-day event hosted annually at Vandenberg AFB, CA

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. US Air Force (USAF) Guardian Challenge team personnel and mascot from the 90th Space Wing (SW) at F.E. Warren Air Force Base (AFB), Wyoming (WY), land in a USAF C-141B cargo aircraft at Vandenberg Air Force Base (AFB), California (CA) and are greeted by the Space Command (AFSPC) Commander General (GEN) Lance Lord (second from right). Guardian Challenge is the world's premier space and missile competition, a four-day event hosted annually at Vandenberg AFB, CA. 2004-05-02. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6662645. (Accessed December 19, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2004-05-02) US Air Force (USAF) Guardian Challenge team personnel and mascot from the 90th Space Wing (SW) at F.E. Warren Air Force Base (AFB), Wyoming (WY), land in a USAF C-141B cargo aircraft at Vandenberg Air Force Base (AFB), California (CA) and are greeted by the Space Command (AFSPC) Commander General (GEN) Lance Lord (second from right). Guardian Challenge is the world's premier space and missile competition, a four-day event hosted annually at Vandenberg AFB, CA. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6662645
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/6662645>.
Note: These citations are programmatically generated and may be incomplete.