Caleb Henry got a great scoop on some changes Blue Origin is making to New Glenn. I think through why these changes may have been made and what these changes could mean for the near future.
This episode of Main Engine Cut Off is brought to you by 27 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Brian, Russell, John, Moritz, Tyler, Laszlo, Joel, and six anonymous—and 150 other supporters on Patreon.

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Blue Origin switches engines for New Glenn second stage - SpaceNews.com
Blue Origin Switches to BE-3U for New Glenn Second Stage - Main Engine Cut Off
Blue Origin ramping up BE-4 engine testing – NASASpaceFlight.com
Two Weeks Until “The Stick” Gets Its Name - Main Engine Cut Off
FA8811-17-9-0001; Evolved Expendable Launch Vehicle (EELV) Launch Service Agreements (LSA) Request for Proposals (RFP) - Federal Business Opportunities: Opportunities
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