OTD…April 6 and STS-41C

#OTD in 2006…A star-spangled start to Discovery’s STS-121 mission

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.

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