"So there are a lot of folks who ask why don't we just buy four or five or six of those and do what we need to do without building this big, heavy rocket and assemble things like we did with the space station?" 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. “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