MIL-S-17000N (SUPPLEMENT 1), MILITARY SPECIFICATION: SWITCHING EQUIPMENT, COMBAT SYSTEM, COMMAND AND CONTROL, FIRE CONTROL, AND INTERIOR COMMUNICATION, GENERAL SPECIFICATION FOR (2 MAY 1983) [SUPERSEDING MIL-S-15001G]., This supplement forms a part of military specification MIL-S-17000N, dated 2 May 1983.