OTD…July 23 and STS-93

#OTD…Launch of a 1994 Space Radar Lab mission on Endeavour

#OTD…Launch of Challenger in 1985 on a Spacelab research flight

Apollo 11 splashed down in the Pacific today in 1969, fulfilling President Kennedy’s challenge to a nation of landing a man to the Moon and returning him safely to the Earth.