OTD…July 23 and STS-93

On this day in 2010, Atlantis on her next-to-final mission launches with Russia’s Rassvet mini module for the International Space Station

VIDEO: The winged spaceship Columbia returned to Earth with a pinpoint landing at Edwards Air Force Base on this day 35 years ago, concluding the maiden flight of the space shuttle.

Today in 1986…Space shuttle Challenger and her seven astronaut crew were lost during launch.