UPDATE 3-Astronauts at launch pad as NASA set to resume human spaceflight with SpaceX takeoff
May 27, 2020 at 14:18 PM EDT
Two NASA astronauts arrived at a Florida launch pad flashing thumbs-up signs as they prepared to be carried into orbit on Wednesday by billionaire entrepreneur Elon Musk's private rocket company SpaceX in the first spaceflight of U.S. space agency astronauts from American soil in nine years.