MIL-S-6144A (NOTICE 1), MILITARY SPECIFICATION: SOUND AND THERMAL INSULATION FOR AIRCRAFT, GENERAL SPECIFICATION FOR THE INSTALLATION OF (15 OCT 1997) [S/S BY S/S BY SAE-AS6144]., MIL-S-6144, dated 12 May 1966, is hereby cancelled. Future acquisition for this insulation should refer to SAE-AS6144, of the same title and issued September 1997.