MIL-DTL-15665/27 Complete Document History
Insignia, Service Cap, Enlisted, the Sergeant Major of the U.S. Army and the Chief Master Sergeant of the U.S. Air Force

Complete Current Edition:
   REVISION H - Insignia, Service Cap, Enlisted, the Sergeant Major of the U.S. Army and the Chief Master Sergeant of the U.S. Air Force - July 29, 2019

Obsolete Revision Information:
   REVISION G - Insignia, Service Cap, Enlisted, the Sergeant Major of the U.S. Army and the Chief Master Sergeant of the U.S. Air Force - March 14, 2016
   REV F VALIDATION 3 - VALIDATION NOTICE 3 FOR REVISION F - July 30, 2013
   REV F REACTIVATION 2 - REACTIVATION NOTICE 2 FOR REVISION F - July 21, 2001
   REV F INACTIVATION 1 - INACTIVATION NOTICE 1 FOR REVISION F - Jan. 25, 1999
   REVISION F - Master Sergeant of the U.S. Air Force - June 27, 1996