OTD…April 29 and STS-51B

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

#OTD in 1994, the launch of Columbia on the STS-62 microgravity research mission

#OTD in 1995…Columbia launched on a microgravity science Spacelab flight