OTD…July 26 and STS-114

#OTD in 1982 the 3rd launch of the space shuttle and in 1996 the 3rd Mir docking missioN

#OTD…The first launch of Challenger in 1983 and Columbia’s shortened Spacelab mission in 1997

#OTD in 1989, Discovery launched a new Tracking and Data Relay Satellite