Elon Musk’s SpaceX launched its first recycled rocket, the biggest leap yet in its bid to drive down costs and speed up flights. The Falcon 9 blasted off from Florida's Kennedy Space Center, hoisting a broadcasting satellite into the early evening clear sky on the historic rocket reflight. It was the first time SpaceX founder Elon Musk tried to fly a booster that soared before on an orbital mission. This particular first stage landed on an ocean platform almost exactly a year ago after a space station launch for NASA. SpaceX refurbished and tested the 15-foot booster, still sporting its nine original engines.