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The article provides the most detailed information yet released about the failure during the rocket’s second launch:
The cause was determined to be damage to the turbopump on one of the two cryogenic YF-77 first stage engines, prompting a redesign of the structure and test-firing in Xi’an.
This is still somewhat vague, though it does confirm that the rocket engine needed a redesign.
Should this January 2019 launch go well, it will allow China to move forward on all of its ambitious space exploration plans, including the building of its own space station, numerous robotic missions to the Moon and Mars, followed eventually with manned missions to the Moon.