OTD…Sept. 20 and Endeavour retirement

Shuttle Endeavour launched for the 25th and final time on this date in 2011.

#OTD in 1982 the 3rd launch of the space shuttle and in 1996 the 3rd Mir docking missioN

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