OTD…Jan. 27 and Apollo 1

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 2007…The launch of Atlantis with a power truss for International Space Station

OTD…Launch of Discovery in 1991 on a Defense Department research flight