Elon Musk's SpaceX launched two Americans into orbit from Florida on Saturday. The mission marked the first spaceflight of NASA astronauts from US soil in 9 years. The rocket lifted off launching Doug Hurley and Bob Behnken on a 19-hour ride. The astronauts in the Dragon capsule are bound for the International Space Station. US President Trump confirmed that the Dragon capsule has successfully reached low Earth orbit. Watch the video for more.