NASA astronauts Robert Behnken (left) and Douglas Hurley wave to their families as they exit the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on May 30, 2020, in preparation for transport to historic Launch Complex 39A to launch on NASA’s SpaceX Demo-2 mission to the International Space Station. A SpaceX Falcon 9 rocket and Crew Dragon spacecraft will carry Behnken and Hurley to the orbiting laboratory as part of the agency’s Commercial Crew Program, returning human spaceflight capability to the U.S. after nearly a decade. Liftoff occurred at 3:22 p.m. EDT.