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Outside of the test rig/ stand. Test article is inside (you can¡Çt see it). Hydrogen leak. H2 accumulated inside the rig. Found an ignition source. Burned fast. Over pressure caved in our forward dome and damaged the rig. pic.twitter.com/0d0KpI1ggj
— Tory Bruno (@torybruno) April 13, 2023
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Image Credit: United Launch AllianceULA - Vulcan: Preview of the Flight Readiness FiringULA - @ulalaunch (Twitter)SpaceNews - Vulcan performs static-fire test
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