
Blue Origin’s BE-4 Engine Selected by ULA to Power Vulcan

We have some exciting news to share with you! Blue Origin’s BE-4 engine has been selected by United Launch Alliance to power the Vulcan rocket. See the statement below from our CEO, Bob Smith, regarding today’s announcement:
"Today is a great day for the Blue Origin team. We are very honored that United Launch Alliance has selected Blue Origin's LOX/LNG BE-4 as the engine that will power the first stage of their Vulcan rocket," said Bob Smith, CEO, Blue Origin. "United Launch Alliance is the premier launch service provider for national security missions, and we're thrilled to be part of their team and that mission."
"We can't thank Tory Bruno and the entire United Launch Alliance team enough for entrusting our engine to power Vulcan. The Blue team is looking forward to developing our production facility for our BE-4 engine in Huntsville over the next year."
If you want to learn more about today’s announcement, here is Blue Origin’s tweet, ULA’s press release, and footage of the BE-4.
Thanks and Gradatim Ferociter!
Share
Latest Posts
Jun 30, 2026NewsNew Glenn Return to Flight
A note from CEO Dave Limp: On May 28, 2026, we experienced a significant anomaly during a New Glenn Integrated Launch Vehicle hotfire test. I want to provide you with an update on the remarkable recovery and rebuild efforts since that day, and our path forward to return to flight this year.
Jun 30, 2026NewsGS1-3 Hotfire Updates
We experienced an anomaly during a hotfire test on May 28, 2026. All personnel have been accounted for. We will provide updates as we learn more.
Apr 16, 2026NewsNew Glenn’s Third Mission Slated for April 19
Blue Origin announced the launch date for New Glenn's third mission, slated to launch no earlier than Sunday, April 19, 2026.