NTSB investigators are combing a five-mile-wide debris field in the Mojave Desert for any clue as to why the prototype Virgin Galactic SpaceShipTwo crashed into the desert floor last week
NTSB investigators are combing a five-mile-wide debris field in the Mojave Desert for any clue as to why the prototype Virgin Galactic SpaceShipTwo crashed into the desert floor last week. One of two crewmembers on board died during the crash. John Blackstone reports.
