MIL-STD-689, MILITARY STANDARD: MOBILE COMMUNICATION-ELECTRONIC EQUIPMENT DESIGN CLASSES (23-APR-1963) [NO S/S DOCUMENT]

MIL-STD-689, MILITARY STANDARD: MOBILE COMMUNICATION-ELECTRONIC EQUIPMENT DESIGN CLASSES (23-APR-1963) [NO S/S DOCUMENT]., This standard defines and establishes two mobile communication-electronic equipment design classes as basic to the C-E development program, specifies the method of developmental implementation, and sets forth the engineering design approach that will be applied to the development of end-items of each design class.