OTD…April 28 and STS-39

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

Neil Armstrong, Buzz Aldrin and Michael Collins launched today in 1969 aboard Apollo 11 for one of the defining moments of the 20th century — man’s first landing on the moon.

#OTD in 1996…Columbia launched on a life sciences and microgravity flight.