OTD…July 29 and STS-51F

America’s first space shuttle launched on this day 35 years ago as the reusable flying machine, Columbia, lifted off from Kennedy Space Center with John Young and Bob Crippen aboard.

Today in 1996…The launch of Columbia and the ill-fated Tethered Satellite System. Watch the liftoff:

#OTD in 1991…The launch of Columbia on Spacelab Life Sciences 1 mission