U.S. PRESIDENT TRUMP CONGRATULATES SPACEX ON 'THE SAFE RETURN OF CREW 12 FROM THE INTERNATIONAL SPACE STATION', JOKING THAT HAD THINGS NOT WORKED OUT 'IT WOULD NOT BE A VERY HAPPY MOMENT' AND MUSK 'MIGHT NOT BE HERE', BUT ADDING 'IT ALWAYS WORKS OUT WELL FOR ELON', CALLING HIM A 'NATIONAL TREASURE'.