On This Date…March 13 and STS-29

#OTD…In 2009, the final Hubble Space Telescope servicing mission launched

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

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.