Bill Gerstenmaier, chief of human spaceflight for NASA, has defended the agency’s commitment to the higher-cost Space Launch System rocket (SLS) rocket over cheaper commercial Falcon Heavy rockets. “SLS is a very expensive rocket, but it will be able to carry more people into space than any other launch vehicle in history,” he said at an event last month hosted by The Aerospace Corporation
Bill Gerstenmaier, chief of human spaceflight for NASA, has defended the agency’s commitment to the higher-cost Space Launch System rocket (SLS) rocket over cheaper commercial Falcon Heavy rockets. He highlighted the payload capacity of the SLS, and explained that it is uniquely capable of transporting large volumes and items into space in a single launch.