MIL-STD-1670A (NOTICE 2), MILITARY STANDARD: ENVIRONMENTAL CRITERIA AND GUIDELINES FOR AIR-LAUNCHED WEAPONS (07 DEC 2007) [S/S BY MIL-HDBK-1670]., MIL-STD-1670A dated 30 July 1976 is hereby canceled. Future acquisition for this item may refer to MIL-HDBK-1670, 揈nvironmental Criteria and Guidelines for Air-Launched Weapons.?MIL-STD-1671