OTD…Oct. 20 and STS-73

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

#OTD…Launch of Atlantis in 1989 to send the Magellan space probe to Venus

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