In case you missed it, SpaceX Dragon cargo spacecraft launched at 9:39 a.m. EST, carrying important science and supplies to the crew on the International Space Station. These experiments will look into a range of scientific disciplines from human health to atmospheric conditions on Earth. This was the first commercial launch from historic Launch Pad 39A since it was used for Shuttle missions. Find out more: http://go.nasa.gov/2mccZ17
