OTD…Oct. 22 and STS-52

#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

25 years ago this afternoon, Hubble was deployed from shuttle Discovery

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