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Sentinel: new and costly replacement for Minuteman III missiles.

Concept rendering of the LGM-35A

The Pentagon set a new Sentinal program to replace over 60-year-old Minuteman III missiles with new, land-based nuclear weapons. The reason for that is the U.S. military shield also requires a sword that it can use to threaten its enemies. If military forces only defend their area using air defense missiles, that means that somebody can shoot missiles into its airspace. 

"The LGM-35 Sentinel, also known as the Ground Based Strategic Deterrent (GBSD), is a future American land-based intercontinental ballistic missile system (ICBM) currently in the early stages of development. It is slated to replace all 450 Minuteman III missiles from 2029 through 2075. The  Minuteman missiles are currently stationed in North Dakota, Wyoming, Montana, and Nebraska." (Wikipedia, LGM-35 Sentinel)

The missile-carrying merchant ships are tools that can come to coasts and then shoot some Scud-type ballistic missiles or cruise missiles against cities. The problem is that those merchant ships can use the wrong flag. And that makes them dangerous. This kind of threat requires a very rapid reaction. Land-based, high-accurate missiles can destroy that kind of target. 



One version of the land-based system is the GLSDB-based system, which uses optical target recognition and attack sensors. The problem is that. The GLSDB is the GPS navigating, but the SDB's or JDAM's naval, anti-ship version can handle that kind of problem. The GLSDB can also carry an anti-ship version of the JDAM/SDB bombs. 



Above: X-31 Waverider hypersonic system simulator under the wing of a B-52 bomber. The next-generation ballistic missiles can carry hypersonic cruise missiles to ballistic jump. The missile transfers the missile out from the atmosphere, and then it falls back into the atmosphere. Then the scramjet engine can start. 

The next-generation ballistic missiles can also carry hypersonic cruise missiles to the ballistic trajectory. Then missile falls back into the atmosphere. And the hypersonic cruise system starts its scramjet engine. The new threats require new tools. The next-generation missile systems use things like artificial intelligence.  And highly advanced sensor systems to locate and destroy the target at any place on Earth. 

The missile can use conventional or nuclear warheads. And maybe the Sentinel missile can have an anti-ballistic missile role. In that case, the system shoots nuclear weapons against rising nuclear missiles. Then, another missile attacks against launching stations. 

What kind of applications does the Sentinel really involve? Only the highest-ranking nuclear staff in the Pentagon knows that thing. And the fact is that. The new missiles offer a new and more powerful tool. 


https://www.defensenews.com/air/2022/05/04/air-force-destroys-target-vessel-with-ship-killing-jdam/


https://www.defensenews.com/industry/2024/03/28/northrop-says-air-force-design-changes-drove-higher-sentinel-icbm-cost/


https://www.northropgrumman.com/space/sentinel


https://en.wikipedia.org/wiki/Ground_Launched_Small_Diameter_Bomb


https://en.wikipedia.org/wiki/LGM-35_Sentinel


https://en.wikipedia.org/wiki/Waverider



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