OTD – Page 5 – Spaceflight Now

April 10, 2026

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OTD…Oct. 6 and STS-41

October 6, 2015 Justin Ray

#OTD in 1990…Discovery launched the Ulysses probe bound for the sun

OTD…Oct. 5 and STS-41G

October 5, 2015 Justin Ray

#OTD in 1984…Challenger launched the Earth Radiation Budget Satellite

OTD…Oct. 3 and STS-51J

October 3, 2015 Justin Ray

#OTD in 1985…Atlantis launched on her maiden voyage as a new orbiter joined the shuttle fleet

OTD…Sept. 30 and STS-68

September 30, 2015 Justin Ray

#OTD in 1994…Endeavour launched on the second Space Radar Laboratory mission

OTD…Sept. 29 and STS-26

September 29, 2015 Justin Ray

#OTD in 1988…Discovery returned Americans to space after the Challenger accident

OTD…Sept. 27 and Dawn

September 27, 2015 Justin Ray

#OTD in 2007…NASA’s Dawn probe launched to explore the uncharted worlds of Vesta and Ceres in the heart of the asteroid belt.

OTD…Sept. 25 and STS-86

September 25, 2015 Justin Ray

#OTD in 1997…Atlantis launched on the seventh joint docking mission with Russia’s space station Mir

OTD…Sept. 21 and Endeavour retirement

September 21, 2015 Justin Ray

#OTD in 2012…California welcomes Endeavour back to birth state for retirement

OTD…Sept. 20 and Endeavour retirement

September 20, 2015 Justin Ray

#OTD in 2012…Endeavour’s coast-to-coast ferryflight into retirement arrives at Edwards Air Force Base

OTD…Sept. 19 and Endeavour retirement

September 19, 2015 Justin Ray

#OTD in 2012…Kennedy Space Center bid final farewell to Endeavour

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