(Reuters) Billionaire entrepreneur Richard Branson on Saturday vowed to find out what caused his space tourism company's passenger spaceship to crash during a test flight, killing one pilot and injuring the other, but expressed a desire to press on with the dream of commercial space flight.
Michael Alsbury, 39, has been identified as the pilot who died in the crash of Virgin Galactic SpaceShipTwo, and the surviving pilot is Peter Siebold, 43, the Kern County Sheriff's Office said in a statement.
Branson arrived in California's Mojave Desert to meet his Virgin Galactic team and federal officials who were opening their investigation into Friday's accident, the second in less than a week involving a commercial space company.
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