Engine for upgraded Falcon 9 rocket explodes on test stand

Engine for upgraded Falcon 9 rocket explodes on test stand  Spaceflight Now SpaceX Launches Investigation After Rocket-Engine Explodes During Tests  Gizmodo SpaceX suffers Merlin engine test mishap  SpaceNews SpaceX rocket explodes during Texas test in blow for Elon Musk's firm  Daily Mail Elon Musk's SpaceX suffers a rocket-engine failure during testing  Washington PostFull coverage

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