The Defense Message System, one of only two in the Army, is tested during a field exercise. Some of the components of the system, the notebook computer, field telephone unit, and the case are shown in the photograph

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. The Defense Message System, one of only two in the Army, is tested during a field exercise. Some of the components of the system, the notebook computer, field telephone unit, and the case are shown in the photograph. 1998-03-16. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6502869. (Accessed June 20, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1998-03-16) The Defense Message System, one of only two in the Army, is tested during a field exercise. Some of the components of the system, the notebook computer, field telephone unit, and the case are shown in the photograph. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6502869
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/6502869>.
Note: These citations are programmatically generated and may be incomplete.