OTD…April 26 and STS-55

#OTD in 2000…Atlantis launched on a mission to make the International Space Station a home in orbit

#OTD in 1998…Discovery launched John Glenn’s return to space

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.