Musk's SpaceX to simulate rocket failure in final astronaut capsule test

CAPE CANAVERAL (Reuters) - Elon Musk's SpaceX is gearing up to destroy one of its own rockets on Saturday to test a crucial emergency abort system on an unmanned astronaut capsule, the company's final milestone test before flying NASA astronauts from U.S. soil.Less than two minutes after liftoff from a launchpad in Florida, SpaceX's Crew Dragon capsule will fire on-board thrusters to eject itself off a Falcon 9 rocket mid-air, simulating an emergency abort scenario that will prove it can return..