OTD…May 14 and STS-132

#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

#OTD…in 1996, Atlantis launched to Russia’s space station Mir

#OTD in 1985…Challenger launched the first German Spacelab