An early review of telemetry and video from inside SpaceShipTwo during its tragic test flight on Oct. 31 reveals that the craft's unique "feathering" tail system deployed prematurely, according to Christopher Hart, acting chairman of the National Transportation Safety Board.

Virgin Galactic's SpaceShipTwo spacecraft crashed in the desert of Mojave, California on Oct. 31 during a powered test flight that went tragically wrong. One test pilot was killed and another injured in the crash. Here's what happened.