The Zond program was one of two lunar exploration programs conducted by the Soviet Union to investigate the Moon and its vicinity. The program began in 1964 and ended in 1979. The early Zond’s 1-3 were originally designed for planetary exploration, while the latter Zonds (4-8) were sent on circum lunar flights. Additionally, the latter Zond vehicles were of a totally different in design. They were in fact automated versions of the manned Soyuz spacecraft…