SSC considering backup options should Vulcan BE-4 engine schedule slip further

By Courtney Albon / August 25, 2021 at 3:20 PM
COLORADO SPRINGS, CO -- Space Systems Command is evaluating mitigation options should Blue Origin’s BE-4 engine, which is powering the United Launch Alliance Vulcan rocket set to fly a portion of the National Security Space Launch manifest procured through fiscal year 2024, face additional development delays. Blue Origin previously expected BE-4 development would be completed by 2017, but that work is years behind, raising concerns that the Vulcan may not be able to meet its planned schedule before a ban...

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