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Ars Technica·3 min read·medium

Blue Origin narrowing in on root cause of catastrophic rocket accident

Eric Berger
Blue Origin narrowing in on root cause of catastrophic rocket accident
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Blue Origin has identified a faulty main oxygen valve in a BE-4 engine as the root cause of a catastrophic New Glenn rocket explosion during a May 2026 test. The company is currently retrofitting existing engines with modified valves and expects to return to flight by the end of the year.

Why it matters

As a major player in the commercial space industry, Blue Origin's ability to resolve hardware failures is critical for the timeline of future satellite launches and space exploration missions.

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It’s always the valves Blue Origin narrowing in on root cause of catastrophic rocket accident “The anomaly originated at the main oxygen valve on one of the BE-4 engines.”

49 Blue Origin's New Glenn rocket erupts in a fireball at Launch Complex 36 at Cape Canaveral Space Force Station, Florida. Credit: Adam Bernstein/Spaceflight Now Blue Origin's New Glenn rocket erupts in a fireball at Launch Complex 36 at Cape Canaveral Space Force Station, Florida. Credit: Adam Bernstein/Spaceflight Now Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Blue Origin provided its first substantive update this week on the cause of the catastrophic loss of the New Glenn rocket and most of its launch pad infrastructure at Cape Canaveral, Florida, in May.

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