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
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