MIL-STD-846C (NOTICE 1), MILITARY STANDARD: ESCAPE SYSTEM TESTING: GROUND, TRACK, AND FLIGHT TEST (17 NOV 1977) [NO S/S DOCUMENT]

MIL-STD-846C (NOTICE 1), MILITARY STANDARD: ESCAPE SYSTEM TESTING: GROUND, TRACK, AND FLIGHT TEST (17 NOV 1977) [NO S/S DOCUMENT]., To all holders of MIL-STD-846C(USAF), Page 12 of MIL-STD-846C(USAF) has been revised and supersedes page 12 dated 22 January 1974.