T+77: Blue Origin Reconfigures New Glenn

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.

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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
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