OTD…April 5 launches of STS-37 and 131

OTD in 1969…The launch of Apollo 11 for the first human landing on the moon

#OTD in 1999…Columbia launched with the first woman commander and the Chandra X-ray Observatory

The final manned Mercury mission was launched atop an Atlas rocket on this day in 1963 with Gordon Cooper aboard Faith 7 for a 34-hour, 22-orbit flight.