Virgin Galactic's billionaire owner Richard Branson congratulated SpaceX CEO Elon Musk as the world's first all-civilian space crew, launched by SpaceX, reached orbit. Branson said it was "another great moment for space exploration". The 'Inspiration4' crew includes billionaire Jared Isaacman, professor Sian Proctor, cancer survivor Hayley Arceneaux and American veteran Christopher Sembroski.