SpaceX founder and chief engineer Elon Musk (left), NASA Administrator Jim Bridenstine, Vice President Mike Pence and Second Lady Karen Pence applaud as NASA astronauts Doug Hurley and Bob Behnken depart the Neil A. Armstrong Operations and Checkout Building for Launch Complex 39A to board the SpaceX Crew Dragon spacecraft, on May 27, 2020, at NASA’s Kennedy Space Center in Florida.Â