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Blue Origin unveils GS3 stage and Northstar engine to expand New Glenn capabilities

2 min read
Source: Space
Blue Origin unveils GS3 stage and Northstar engine to expand New Glenn capabilities
Photo: Space
TL;DR

Blue Origin announced a new third stage and a more powerful first-stage engine for its New Glenn rocket, aiming to increase payload capacity and reduce manufacturing costs.

Key points

  • The new GS3 stage uses the BE-7 engine to enable direct deployment to geostationary orbit and deep-space missions.
  • The Northstar engine offers 715,000 pounds of thrust, 30% less mass, and 50% fewer parts than the current BE-4 engine.
  • Blue Origin claims Northstar can be manufactured at 25% of the cost of a BE-4 engine and assembled in under a day.
  • A government customer has booked a GS3 mission to cislunar space for 2028, though the specific client was not named.
  • The company is rebuilding its Florida launch pad after a May explosion, with the next New Glenn flight expected in January 2027.

Background

Blue Origin previously committed $3 billion to expand its Florida facilities to support high-cadence launches by 2030. The company faced setbacks in 2026, including a satellite deployment error and a May pad explosion that delayed its next flight. These new developments aim to maintain competitiveness with SpaceX and fulfill government contracts, including a $700 million Mars orbiter deal.

How outlets are covering it

Space and Ars Technica emphasize the cost and performance benefits of the Northstar engine, with Ars noting a 25% cost reduction. Spaceflight Now highlights the technical challenge of using composite tanks for hydrogen in the GS3 stage. All sources agree on the technical specs but differ in emphasis: Space focuses on the strategic expansion, while Ars Technica details the manufacturing breakthroughs.

Why it matters

These upgrades enhance New Glenn's ability to compete in the commercial launch market and support NASA's Artemis program by enabling direct access to geostationary and lunar orbits, potentially reducing launch costs and increasing mission flexibility.

What to watch

Blue Origin expects to fly the Northstar engine and GS3 stage in 2028, with the first GS3 mission targeted for a government customer. The company continues to rebuild its Florida launch pad for a January 2027 New Glenn flight.

Topics:top-newsspace#blue-origin#gs3-stage#new-glenn#northstar-engine#rocket-development#space
Share this article
  1. Blue Origin announces 3rd stage for its powerful New Glenn rocket — and a new engine  Space
  2. Blue Origin announces rocket upgrades aimed at lower costs, more performance  Ars Technica
  3. Introducing Northstar: A New Booster Engine with More Thrust and Less Mass  Blue Origin
  4. Blue Origin reveals new kick stage, engines for its New Glenn rockets  Spaceflight Now
  5. Blue Origin to develop New Glenn third stage, new booster engine  SpaceNews

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