OTD…April 5 launches of STS-37 and 131

#OTD in 2012…Journey of shuttle Endeavour through Los Angeles begins

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

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.