OTD…July 26 and STS-114

#OTD…Launch of Columbia in 1998 on the Neurolab Spacelab mission

#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…Launch of Discovery in 1990 with the Hubble Space Telescope, our window on the universe!