Josh Santora, with NASA Communications, moderates a postlaunch news conference at NASA’s Kennedy Space Center in Florida on May 4, 2019, for SpaceX’s 17th Commercial Resupply Services (CRS-17) mission to the International Space Station for the agency. The company’s Falcon 9 rocket with the Dragon cargo module lifted off from Space Launch Complex 40 at Cape Canaveral Air Force Station in Florida at 2:48 a.m. EDT. The Dragon cargo module will deliver about 5,500 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew.