OTD…April 12 and STS-1 and 51D

#OTD in 1995…Columbia launched on a microgravity science Spacelab flight

Dave Scott, Jim Irwin and Al Worden left for the Moon today in 1971 aboard Apollo 15 bound for Hadley rille with the first Lunar Roving Vehicle.

Today in 1969, the launch of Apollo 9 and the first manned flight of all lunar hardware in Earth orbit.