OTD…Jan. 28 and STS-51L

In the first memorial of its kind, NASA and the families of the 14 men and women who lost their lives aboard the shuttle Challenger in 1986 and Columbia in 2003 have joined together to remember the astronauts with pictures, personal mementos and, in an emotional first, iconic wreckage from both orbiters.

#OTD in 1985…Discovery launched to deploy three satellites and rendezvous with another for daring repair

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