OTD…March 22 and STS-3 and STS-76

#OTD in 1994…Columbia launched on a Spacelab microgravity flight

#OTD in 1982…Columbia launches on the fourth space shuttle mission. #OTD in 1995…Atlantis launches on first shuttle-Mir docking flight

OTD in 1994…Endeavour experienced an on-pad abort due to a main engine problem during startup