OTD…April 5 launches of STS-37 and 131

#OTD in 2012…Endeavour’s coast-to-coast ferryflight into retirement arrives at Edwards Air Force Base

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.

#OTD in 1989…Columbia launched with a classified communications satellite for the Defense Department