OTD

#OTD in 1989…Columbia launched with a classified communications satellite for the Defense Department

#OTD in 1997…Discovery launched to deploy and later retrieve the CRISTA-SPAS atmospheric research satellite

#OTD in 1991…Atlantis launched another of NASA’s Tracking and Data Relay Satellites

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

#OTD in 2005…Discovery launched on the first space shuttle mission after the Columbia tragedy

#OTD in 1999…Columbia launched with the first woman commander and the Chandra X-ray Observatory

#OTD in 2009…Endeavour launched to complete the Japanese segment of the International Space Station

#OTD in 1995…Discovery launched a Tracking and Data Relay satellite