A handout photo made available by SpaceX shows the Falcon 9 reusable rocket at liftoff, while carrying the US Air Force's Global Positioning System III space vehicle into orbit, at the Space Launch Complex in Cape Canaveral, Florida, USA, 23 December 2018. The launch was the first national security mission for SpaceX, a private space transportation company founded by Elon Musk. (Photo by EPA/EFE/SpaceX)
