OTD…May 18 and launch of Apollo 10

On this day in 2010, Atlantis on her next-to-final mission launches with Russia’s Rassvet mini module for the International Space Station

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

#OTD in 1997…Atlantis launched on the seventh joint docking mission with Russia’s space station Mir