July 20, 1969: Lunar landing of Apollo 11

#OTD in 1997…Discovery launched to deploy and later retrieve the CRISTA-SPAS atmospheric research satellite

America’s first space shuttle launched on this day 35 years ago as the reusable flying machine, Columbia, lifted off from Kennedy Space Center with John Young and Bob Crippen aboard.

#OTD in 2000…Discovery launched on the 100th space shuttle mission