COLORADO SPRINGS, Colo. — United Launch Alliance (ULA) has installed a 1,350-foot-long (410 meters) zip line on its Atlas V launchpad in Florida, but the company hopes the new system will never have ...

The United Launch Alliance will use a novel zip line to move astronauts away from the launchpad in case of an emergency with their Atlas V rocket or Boeing Starliner CST-100 spacecraft. See how it ...