Musk: Falcon Heavy's center booster hit ocean 'hard,' damaged drone ship

USATODAY 

SpaceX's three-core Falcon Heavy rocket fired up the afternoon sky over Kennedy Space Center. USA TODAY SpaceX's newest rocket, the Falcon Heavy, lifted off Tuesday, Feb. 6, 2018, on its first demonstration flight from Kennedy Space Center's launch pad 39A. (Photo: Craig Bailey, Florida Today) CAP...