OTD…June 5 and STS-40

On this day in 2010, Atlantis on her next-to-final mission launches with Russia’s Rassvet mini module for the International Space Station

#OTD…Gamma Ray Observatory launched in 1991 on Atlantis and Discovery’s 2010 ISS flight

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