OTD…April 9 and STS-59

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

#OTD in 1991, 1992 and 1993…flights by Discovery and Endeavour

#OTD…Launch of a 1993 environmental mission on Discovery and Atlantis’ ISS flight in 2002