OTD…Oct. 23 and STS-120

#OTD in 2009…Endeavour launched to complete the Japanese segment of the International Space Station

NASA’s Kepler planet-finder began its mission to discover Earth-like worlds orbiting other stars in the galaxy today in 2009, successfully launching aboard a Delta 2 rocket from Cape Canaveral.

Today in 1969, the launch of Apollo 9 and the first manned flight of all lunar hardware in Earth orbit.