The U.S. Space & Rocket Center in Huntsville showcases the rockets, achievements, and artifacts of the space program, as well as the legacy of Wernher von Braun and his team.
The first man to set foot on the Moon 50 years ago this summer is remembered by his friend and colleague, a former astronaut and administrator at NASA.
Practical, rather than idealistic, reasons pushed President Kennedy to challenge America to land a man on the moon within the decade.
Three days into their mission, two vital oxygen tanks exploded, seriously damaging Apollo 13's service module and forcing pilot Fred Haise, Jr. and his two fellow astronauts to scramble into the attached lunar module, where they plotted their course home, shivering in the cold on limited oxygen.