Author Topic: GBSD: LGM-182A: Sentinel ICBM Development/Operations Dicussion/Updates Thread  (Read 84339 times)

Offline russianhalo117

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« Last Edit: 01/17/2024 11:51 pm by russianhalo117 »

Offline catdlr

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Quote
Mar 20, 2024  #ICBM #WSJ #Military
About 450 Cold War-era Minuteman nuclear missiles were only supposed to last 10 years. But now, these ICBMs have defended the U.S. for more than 50. The Air Force is planning to spend $130 billion on replacing them to boost the U.S. nuclear defense strategy with a new modern iteration—the Sentinel missile.

WSJ explains the science and strategy behind nuclear missiles and the logistical challenges of the Sentinel project.

Chapters:
0:00 Expired ICBMs
0:42 The U.S.’s nuclear triad
3:12 Weaknesses
5:00 What’s next for the Sentinel project?

Equipped
Equipped examines military innovation and tactics emerging around the world, breaking down the tech behind the weaponry and its potential impact.
It's Tony De La Rosa, ...I don't create this stuff, I just report it.

Offline edkyle99

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Third stage motor test at Arnold on March 20, 2024.
The article also has a photo of a Sentinel nose cone separation test.
https://www.afnwc.af.mil/News/Article-Display/Article/3319317/air-force-conducts-sentinel-static-fire-test/

 - Ed Kyle


Offline sdsds

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Offline russianhalo117

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Stop work order for Command & Launch Segment as the entire programme is undergoing restructure due to triggering the Nunn-McCurdy Act review process:
https://www.airandspaceforces.com/air-force-orders-halt-some-work-sentinel-icbm/
« Last Edit: 02/13/2025 07:49 pm by russianhalo117 »

Offline edkyle99

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Not sure if this goes here, but it seems an important milestone.  Last month, Northrop Grumman performed "a full-scale qualification static fire test of the Sentinel intercontinental ballistic missile stage-one solid rocket motor March 6, at Northrop Grumman's facility in Promontory, Utah". ...  "This test confirms the accuracy of digital engineering models and brings the stage-one solid rocket motor closer to achieving full qualification. This achievement follows static fire tests of the second and third stages, showcasing clear momentum in the Sentinel program's development."

https://www.af.mil/News/Article-Display/Article/4112318/sentinel-icbm-achieves-modernization-milestone-with-stage-one-solid-rocket-moto/

Meanwhile, work on the launch facilities has been suspended for cost review.  This includes plans for LF-26 at Vandenberg.
https://www.airandspaceforces.com/air-force-orders-halt-some-work-sentinel-icbm/

 - Ed Kyle
« Last Edit: 04/26/2025 02:44 pm by edkyle99 »

Offline russianhalo117

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Offline Star One

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https://www.gao.gov/assets/gao-25-107569.pdf

It appears that the first flight has been delayed 2 more years to March 2028(Page 80 on the GAO pdf).

 

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