https://www.teslarati.com/blue-origin-spacex-competitive-rocket-dev-engine-testing/be-3u-static-fire-testing-august-2018-blue-origin-3/
BE-3U static fire testing August 2018 (Blue Origin) - TESLARATI
be 3ustatic fireaugust 2018blue origintesting
https://aiaa.org/2026/04/22/new-glenn-grounded-as-be-3u-thrust-issue-comes-into-focus/
New Glenn Grounded as BE-3U Thrust Issue Comes Into Focus | AIAA
Apr 22, 2026 - Aviation Week reports, "Blue Origin says initial data suggests one of two BE-3U upper-stage engines did not deliver sufficient thrust to dispatch the AST...
new glennbe 3u