OTD…April 26 and STS-55

#OTD…America’s first shuttle launch in 1981 and another in 1985

#OTD in 2012…California welcomes Endeavour back to birth state for retirement

NASA’s Kepler planet-finder began its mission to discover Earth-like worlds orbiting other stars in the galaxy today in 2009, successfully launching aboard a Delta 2 rocket from Cape Canaveral.