OTD…June 8 and STS-117

#OTD…Launch of Endeavour in 2001 to deliver Canadarm2 to the space station

#OTD in 1985…Discovery launched on the first classified space shuttle mission for the Department of Defense. Watch the liftoff:

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.