OTD…March 6 and Kepler

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

#OTD in 2001, Discovery launched on STS-102 to exchange crews aboard the International Space Station