>> roger tranquility. we copy you on the ground. we got a bunch of guys about to turn blue. we're breathing again. thanks a lot. >> 50 years ago today, two men worked on the moon and neal armstrong uttered "one strong step for man, one giant leap for mankind." they had the support of 400,000 people right back here on earth, many of them including those at mission control. that's where cnn's rachel crane is. a lot of people are celebrating today. give us a sense of what's going on there. >> reporter: martin, this is a real pinch-me moment because i am coming to you from the iconic apollo mission control. this is the room where it happened, where the engineers, the scientists, the flight controllers pulled off the incredible feat of landing buzz