SpaceX's Elon Musk calls on FAA chief to resign SpaceX continues to engage the U.S. Federal Aviation Administration in a heated and very public debate over launch licensing and alleged violations. https://cdn.mos.cms.futurecdn.net/NXuQgbcRbfps9Hsz6Ywvra.jpg https://www.space.com/spacex-elon-musk-faa-administrator-resign