On July 20, 1969, US astronauts Neil Armstrong and Buzz Aldrin became the first men to walk on the moon. The Apollo 11 mission that carried them and fellow astronaut Michael Collins on their epic journey marked the successful culmination of a quest that, ironically, had begun in Nazi Germany thirty years before. This is the story of the Apollo 11 mission and the 'space hardware' that made it all possible. Author Chris Riley looks at the evolution...