OTD…Aug. 10 and STS-105

#OTD in 1985…Challenger launched the first German Spacelab

#OTD in 1992…Atlantis launched to test the Tethered Satellite System

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.