OTD…March 22 and STS-3 and STS-76

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

#OTD in 2012…Journey of shuttle Endeavour through Los Angeles begins

#OTD in 1994…Discovery launched to develop new techniques for monitoring Earth’s environment from space…and in 2006…Construction of the space station resumed as Atlantis delivered a power-generating truss