Another success of NASA's planetary exploration program continued from Apollo. Which is focused on the exploration of Mars in particular. By Viking 1 spacecraft to explore Mars. August 1975 and Viking 2 a year later by two ships, scientists, information about Mars through numerous color photos were taken from a distance. And surfaces in the near term, including more than 50,000 images and that is the greatness of the technology at that time. Moreover, the vehicle, designed to last for only 90 days, but by the time it returned to mission life up to 6 years and also as a model of import landing using a parachute and armored heating it. with
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