OTD…April 6 and STS-41C

#OTD in 2007…The launch of Atlantis with a power truss for International Space Station

#OTD…in 1996, Atlantis launched to Russia’s space station Mir

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.