In July 1969, astronaut Neil Armstrong's 'giant leap for mankind' was watched by millions of people around the world.
The BBC's aerospace correspondent at the time, Reg Turnill, reported on the Apollo 11 launch from the Kennedy Space Center in Florida, and later from mission control near Houston.
He is now retired, but here - with the help of archive material from the mission, and the US and UK number one records from that week - he recalls how Nasa rose to the challenge of putting man on the Moon. Read more.