MIL-HDBK-29612/1, DEPARTMENT OF DEFENSE HANDBOOK: GUIDANCE FOR ACQUISITION OF TRAINING DATA PRODUCTS AND SERVICES (PART 1 OF 4 PARTS) (30 JUL 1999)., This part of the handbook provides guidance to Department of Defense (DoD) personnel on the procurement of training data products and services. This handbook is intended for guidance only. This handbook cannot be cited as a requirement. If it is, the contractor does not have to comply.