Buzz Aldrin snapped a photo of Neil Armstrong sitting in the Lunar Module just after he became the first man to walk on the Moon. Here's the story behind that historic moment... Andy Saunders, author of "Apollo Remastered" and "Gemini and Mercury Remastered," tells the story of this photo and others from NASA's space program. Watch tomorrow at 5 PM ET on C-SPAN 2 American History TV. | American History TV