The reusable main-stage booster from the SpaceX Falcon 9 rocket makes a successful landing on a platform in the Atlantic Ocean about 300 km off the coast of Florida April 8, 2016 in this handout photo provided by SpaceX. SpaceX successfully launched and then retrieved its first recycled rocket Thursday, a historic feat and the biggest leap yet in its bid to drive down costs and speed up flights. (Photo/Agencies)
