US Air Force (USAF) General (GEN) Lance W. Lord, Commander of the Air Force Space Command (AFSPC), at Peterson Air Force Base (AFB), Colorado (CO), speaks to the competitors during the opening ceremonies of Guardian Challenge at Vandenberg Air Force Base (AFB), California (CA). Exercise Guardian Challenge is the world's premier space and missile competition and is 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) General (GEN) Lance W. Lord, Commander of the Air Force Space Command (AFSPC), at Peterson Air Force Base (AFB), Colorado (CO), speaks to the competitors during the opening ceremonies of Guardian Challenge at Vandenberg Air Force Base (AFB), California (CA). Exercise Guardian Challenge is the world's premier space and missile competition and is a four-day event hosted annually at Vandenberg AFB, CA. 2004-05-03. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6662676. (Accessed October 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2004-05-03) US Air Force (USAF) General (GEN) Lance W. Lord, Commander of the Air Force Space Command (AFSPC), at Peterson Air Force Base (AFB), Colorado (CO), speaks to the competitors during the opening ceremonies of Guardian Challenge at Vandenberg Air Force Base (AFB), California (CA). Exercise Guardian Challenge is the world's premier space and missile competition and is a four-day event hosted annually at Vandenberg AFB, CA. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6662676
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/6662676>.
Note: These citations are programmatically generated and may be incomplete.