OTD…Jan. 24 and STS-51C

#OTD in 1993…Endeavour launched with the first Spacehab module and retrieval of the European EURECA satellite

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

#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