<Li> Christopher Kraft, Jr . </Li> <Tr> <Td> Astronauts (show) <Ul> <Li> The Mercury Seven </Li> <Li> Gemini / Apollo astronauts </Li> <Li> NASA Astronaut Corps </Li> </Ul> </Td> </Tr> <Ul> <Li> The Mercury Seven </Li> <Li> Gemini / Apollo astronauts </Li> <Li> NASA Astronaut Corps </Li> </Ul> <Li> The Mercury Seven </Li>

How many years did it take to put a man on the moon