MS-66663 Complete Document History
Insignia, Service Cap, Enlisted Personnel, Airforce (Use MIL-I-15665/21)


Obsolete Revision Information:
   CAN NOT 1 - INSIGNIA, SERVICE CAP, ENLISTE - Nov. 15, 1969
   REVISION B - INSIGNIA, SERVICE CAP, ENLISTE - Nov. 15, 1969