US President Donald Trump said Tuesday that Elon Musk’s company SpaceX will “soon” begin a mission to repatriate two American astronauts who have been stranded for months on the International Space Station. US President Donald Trump said Tuesday that Elon Musk’s company SpaceX will “soon” begin a mission to repatriate two American astronauts who have been stranded for months on the International Space Station. Space Exploration Phys.org – latest science and technology news stories