Successful end of one of America's greatest missions. This day in History - July 24

Today in history - Flight controllers celebrate the successful conclusion of the Apollo 11 lunar landing mission on July 24, 1969, at NASA's Mission Control Center in Houston. On July 20, Apollo 11 astronaut Neil Armstrong planted the first human foot on another world. With more than half a billion people watching on television, he climbed down the ladder and proclaimed: "That's one small step for a man, one  one giant leap for mankind." Image Credit: NASA. Source - NASA