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Witness History has five stories from the history of space exploration, to mark the 50th anniversary of the Moon Landing in 1969. There is a personal account of the first steps on the Moon from one of the NASA flight controllers, plus the programme goes right back to the start of the space race with the story of Laika - the first dog to go into orbit, and the commander of the historic Apollo 8 mission will remember how his crew took the famous Earthrise photograph of Planet Earth. This Witness History special will also hear about two of the most dramatic moments from more recent space history - the Challenger space shuttle disaster in 1986 and a collision at the International Space Station in 1997 which very nearly led to another catastrophe.