Battelle has served as Secretariat for the MMPDS Handbook, and its predecessor, MIL-HDBK-5, for over 60 years. The Handbook is a joint activity that brings together users, suppliers, and regulatory agencies from all aspects of the aerospace industry. Listed below are Battelle contacts for Handbook related activities including the submission of data and testing, attendance and input to the future of the MMPDS Handbook through the semi-annual coordination meetings, or facilitation of Steering Group Membership. Battelle MMPDS personnel provide answers to your questions and provide the support needed to facilitate this very important document.