Virgin Galactic crash investigation finds early aero oddity

Virgin Galactic's SpaceShipTwo unexpected deployed its "feathering" system shortly before crashing, the National Transportation Safety Board investigators have said of the incident on Friday last week, which saw one pilot killed and another seriously injured. "About nine seconds after the engine ignited, the telemetry data told us that the feather parameters changed from lock to unlock," NTSB acting chairman Christopher …