NASA - National Aeronautics and Space Administration

1958 - Explorer 4 launch, 4th U.S. IG satellite

1963 - Syncom 2 launch, world's first satellite to achieve synchronous 24-hour orbit

1971 - Apollo 15 launch

2005 - Return to Flight launch of Space Shuttle Discovery, Mission STS-114. First Space Shuttle launch since the STS-107 Columbia accident in 2003

NASA's John F. Kennedy Space Center