OTD…May 18 and launch of Apollo 10

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

#OTD in 2006…A star-spangled start to Discovery’s STS-121 mission

VIDEO: The winged spaceship Columbia returned to Earth with a pinpoint landing at Edwards Air Force Base on this day 35 years ago, concluding the maiden flight of the space shuttle.