the co-pilot’s premature unlocking of the spaceship’s feather system as a result of time pressure and vibration and loads that he had not recently experienced.
Virgin Galactic later tweeted:
We thank the @NTSB for their professionalism, expertise, and insight, and we welcome the results of their investigation.and then:
With impartial experts from@NTSB having found the#SpaceShipTwo design fundamentally sound, we move forward with confidence.
The question now is whether the next spacecraft can avoid these human issues. And new questions have come up regarding the location of the crash near population centers, including a high school, indicating greater Federal oversight of future flights may be required.