MIL-HDBK-189B (NOTICE 1), DEPARTMENT OF DEFENSE HANDBOOK: RELIABILITY GROWTH MANAGEMENT (RGT) (17 MAY 2010)., MIL-HDBK-189B, dated 29 April 2010, was removed from ASSIST because it was approved prior to full document coordination. Upon final approval of the fully coordinated document, the handbook will be released as MIL-HDBK-189C. Until then, MIL-HDBK-00189A and MIL-HDBK-189 continue to be in effect.