OTD…March 6 and Kepler

#OTD in 1985…Discovery launched to deploy three satellites and rendezvous with another for daring repair

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

United Launch Alliance’s final Delta 2 rocket is now on display at the Kennedy Space Center Visitor Complex in Florida, a monument to an industry workhorse that helped build the GPS navigation satellite fleet and enabled a new era of Mars exploration.