MIL-S-6904B (NOTICE 1), MILITARY SPECIFICATION: SIGNAL, EMERGENCY WARNING, GENERAL SPECIFICATION FOR (23 JUL 1997)

MIL-S-6904B (NOTICE 1), MILITARY SPECIFICATION: SIGNAL, EMERGENCY WARNING, GENERAL SPECIFICATION FOR (23 JUL 1997)., This notice should be filed in front of MIL-S-6904B, dated 19 April 1965, and Amendment -1, dated 3 December 1969. MIL-S-6904B is inactive for new design and is no longer used, except for replacement purposes.