Soviet Communist Party Central Committee Command 655-268 officially established two secret, competing crewed programs for circumlunar flights and lunar landings, on August 3, 1964.
苏联共产党中央委员会司令员655-268正式确立了两个机密小组，将从1964年8月3日起在载人绕月飞行项目和登月计划上展开竞争。