OTD…April 5 launches of STS-37 and 131

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

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

America’s first space shuttle launched on this day 35 years ago as the reusable flying machine, Columbia, lifted off from Kennedy Space Center with John Young and Bob Crippen aboard.