On this date…April 16 and Apollo 16

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

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