MIL-S-55286E (AMENDMENT 1), MILITARY SPECIFICATION: SHELTER, ELECTRICAL EQUIPMENT, S-280()/G (21 MAY 1985) [NO S/S DOCUMENT]., This amendment forms a part of Military Specification MIL-S-55286E (CR), dated 11 October 1983 and is approved for use by the Communications and Electronics Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense