MIL-A-20663 Complete Document History
Alidate, Surveying, Open Sight, Folding (Use GG-A-440)


Obsolete Revision Information:
   REV B CANCELLATION 1 - ALIDADE, SURVEYING, OPEN SIGHT - March 8, 1983
   REVISION B - Alidate, Surveying, Open Sight, Folding - Oct. 24, 1978