FILE PHOTO: U.S. President Donald Trump passes SpaceX founder and CEO Elon Musk as he arrives with first lady Melania Trump to attend a SpaceX mission briefing before watching the planned launch of a SpaceX Falcon 9 rocket carrying two NASA astronauts to the International Space Station at the Kennedy Space Center in Cape Canaveral, Florida, U.S., May 27, 2020. REUTERS/Jonathan Ernst/File Photo