Ken Kremer – For SpaceUpClose.com & RocketSTEM KENNEDY SPACE CENTER, FL –  The first of the next generation SpaceX Cargo Dragon supply ships successfully docked at the International Space Station (ISS) today, Dec. 7, as the two vehicles were traveling 268 miles over the southern Indian Ocean at 17, 500 mph – just over 26 hours after the flawless and fantastic blastoff