Aerospace guru explains why SpaceX reuses rockets - and it's not to save money

SpaceX's reusable rocket technology has been hailed as the future of space travel, and even the Russians have admitted that the company seems to be on to something, but when it comes to return on investment, one of SpaceX's founding team members says that launching the same first stages multiple times isn't actually where the company sees the boost to its bottom line. Jim Cantrell is the CEO of Vector Space Systems. He's worked for NASA's Jet Propulsion Lab and was a founding member of both Spac...