Branson Denies Ignoring Safety Concerns Over Virgin Galactic Spacecraft
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A piece of debris is seen near the crash site of Virgin Galactic's SpaceShipTwo near Cantil, California, Nov. 1, 2014.
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The Virgin Galactic SpaceShipTwo rocket explodes in mid-air during a test flight above the Mojave Desert, in California, Oct. 31, 2014.
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National Transportation Safety Board (NTSB) Vice President Christopher Hart talks about the crash of Virgin Galactic's SpaceShipTwo near Mojave, California, Nov. 2, 2014.
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Investigators from the National Transportation Safety Board look at wreckage from the crash of Virgin Galactic's SpaceShipTwo near Cantil, California, Nov. 2, 2014.