OTD…Oct. 30 and STS-61A

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

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 1994…Endeavour experienced an on-pad abort due to a main engine problem during startup