MIL-STD-1546, MILITARY STANDARD: PARTS, MATERIALS, AND PROCESSES STANDARDIZATION, CONTROL, AND MANAGEMENT PROGRAM FOR SPACE AND LAUNCH VEHICLES (12 FEB 1981)., This standard establishes the criteria and requirements for the preparation and implementation of a Parts, Materials, and Processes Standardization Control and Management Program (PMPSCMP) for use during the design, development, fabrication, and test of spacecraft and launch vehicles. The implementation of this standard is intended; to assure total, integrated, and coordinated management of the selection,application, procurement, control and standardization of parts, materials, and processes (PMP); to reduce PMP failures at all levels of assembly; improve procurements of small quantities of parts, reduce program costs, and improve the standardizationand reliability of program parts, materials and processes.