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Blue Origin Investigates BE-3U Thrust Issue

April 21, 2026

2 min read

Key Takeaways

Blue Origin's New Glenn launch failed to reach intended orbit.
Initial data suggests BE-3U engine thrust deficiency.
Issue occurred during GS2 upper stage's second burn.
Blue Origin CEO Dave Limp reported the power issue.

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Strategic Implications

This launch failure may indicate a significant challenge for Blue Origin's New Glenn program, suggesting potential issues with the BE-3U engine's performance. The incident could impact the company's competitiveness in the launch services market and may lead to a review of its engine design and testing procedures.

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What Happened

New Glenn Launch Failure Prompts Engine Performance Review

Blue Origin is investigating a launch failure of its New Glenn rocket, which was unable to deliver the AST SpaceMobile BlueBird 7 satellite to its intended orbit. According to Blue Origin CEO Dave Limp, initial data suggests that one of the two BE-3U upper-stage engines did not produce sufficient thrust during the GS2 upper stage’s second burn. The company is reviewing the incident, which may have significant implications for its launch services business. This development was first reported by Aviation Week.

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