Reusable rockets have reshaped the economics of spaceflight by dramatically reducing the cost of launching payloads into orbit. Traditional rockets were single-use vehicles that burned up or crashed ...

How do you safely move a 5.75 million-pound, 322-foot-high rocket more than 4 miles from the assembly building to the launch pad and back? Flag down the Crawler-Transporter 2, or CT-2, the slow-moving ...