Fourteen-hundred-watt AEM-SYS-2 sound system loudspeaker on the outside of an HH-46A Sea Knight helicopter. The sound system is generally referred to as the Loud Hailer and is useful during search and rescue (SAR) operations

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Fourteen-hundred-watt AEM-SYS-2 sound system loudspeaker on the outside of an HH-46A Sea Knight helicopter. The sound system is generally referred to as the Loud Hailer and is useful during search and rescue (SAR) operations. 1982-01-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6350634. (Accessed September 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1982-01-01) Fourteen-hundred-watt AEM-SYS-2 sound system loudspeaker on the outside of an HH-46A Sea Knight helicopter. The sound system is generally referred to as the Loud Hailer and is useful during search and rescue (SAR) operations. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6350634
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/6350634>.
Note: These citations are programmatically generated and may be incomplete.