MIL-HDBK-29612/1A (NOTICE 1), DEPARTMENT OF DEFENSE HANDBOOK: GUIDANCE FOR ACQUISITION OF TRAINING DATA PRODUCTS AND SERVICES (PART 1 OF 5 PARTS) (08 JUN 2006)., MIL-HDBK-29612/1A, dated 31 August 2001, has been reviewed and determined to be valid for use in acquisition.