MIL-M-19556 Complete Document History
Mount, Gun, Launching Systems, Rocket and Guided Missile, Projectors, General Specification

Complete Current Edition:
   BASE - MOUNT, GUN, LAUNCHING SYSTEMS, - July 17, 1956
   REINSTATEMENT/INACTIVATION - REINSTATEMENT & INACTIVATION NOTICE 2 - Sept. 30, 1998
   VALIDATION NOTICE 3 - VALIDATION NOTICE 3 FOR BASE - Feb. 6, 2021

Obsolete Revision Information:
   CANCELLATION NOTICE 1 - CANCELLATION NOTICE 1, BASE - May 30, 1997