<P> Kolp is the only villain other than Dr. Zaius to appear in more than one film in the series . </P> <P> John Landon, more commonly known as Landon, was a human astronaut, who joined the NASA program some time in the 1960s . According to his colleague, George Taylor, Landon was an ambitious scientist who "wanted to live forever". Along with Taylor and fellow astronaut Dodge, Landon participated in a mission to journey to another star . </P> <P> The crew launched out of Cape Kennedy in 1972 and spent over six months in outer space . Taylor, commander of the mission, placed the crew into a state of suspended animation, in preparation for the second leg of their journey . While they slept, the vessel was propelled two - thousand years into the future, confirming Dr. Hasslein's theory of time in a vehicle travelling near the speed of light . The ship crash - landed back on Earth in the year 3978 . Splashing down into a stagnant salt lake, the crew revived and scurried to freedom . </P> <P> After crash landing on the planet, Landon and his fellow astronaut Taylor bicker as they explore the planet . Landon was an adventurer and a patriot . As such, he found it hardest of the three to come to terms with their fate and argued strongly with Taylor after their crash - landing . Taylor maintained a rigid attitude, while Dodge committed himself towards finding a means to survive on this new world . Landon meanwhile, found himself the target of Taylor's acerbic wit . Taylor laughs as Landon plants a tiny U.S. flag on the surface of the planet near the lake where they crashed . </P>

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