MIL-STD-1539, MILITARY STANDARD: ELECTRICAL POWER, DIRECT CURRENT, SPACE VEHICLE DESIGN REQUIREMENTS (01 AUG 1973) [NO S/S DOCUMENT]

MIL-STD-1539, MILITARY STANDARD: ELECTRICAL POWER, DIRECT CURRENT, SPACE VEHICLE DESIGN REQUIREMENTS (01 AUG 1973) [NO S/S DOCUMENT]., This standard establishes the requirements for the direct current (DC) electrical power system for space vehicles.