NTSB Gives Last Press Briefing on SpaceShipTwo Crash InvestigationChristopher Hart, acting chairman of the United States National Transportation Safety Board, which is investigating the crash last week of Virgin Galactic SpaceShipTwo, on Monday delivered his final press briefing on the initial stage of the investigation. Hart clarified on Monday that it was not known whether Alsbury or copilot Peter Siebold had moved the feathering lever.
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NTSB Gives Last Press Briefing on SpaceShipTwo Crash Investigation
