Space Exploration Technology Corp.'s (SpaceX) success in launching and landing a Falcon 9 rocket is elevating the company’s confidence that it will recover more boosters going forward.SpaceX is now planning a test campaign around the recovered first stage with intentions of flying it again on a commercial mission later this year. Friday's Commercial Resupply Services 8 (CRS-8) mission for NASA sent the Dragon spacecraft with 7,000 pounds of cargo, including the Bigelow Expandable Activity Module (BEAM), on its way to…