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US military test-launches an unarmed nuclear-capable ICBM from Vandenberg Space Force Base on May 20th

Started by Shane_8, May 21, 2026, 03:07 PM

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Topic: US military test-launches an unarmed nuclear-capable ICBM from Vandenberg Space Force Base on May 20th   Views(Read 38 times)

Shane_8

The US military conducted a test launch of an unarmed intercontinental ballistic missile from Vandenberg Space Force Base in California on May 20th. The test is part of the routine assessment of the US nuclear deterrent's reliability and accuracy. ICBMs are tested unarmed to verify guidance systems, re-entry vehicle performance, and range accuracy without triggering the nuclear warhead.

The test comes at a period of heightened attention to nuclear weapon systems globally, with ongoing debates about the future of the Minuteman III and its replacement the Sentinel ICBM, both of which have experienced significant cost overruns and schedule delays.

Space.com: NASA, Space Exploration and Astronomy News

Ruby92

Routine ICBM tests from Vandenberg happen several times per year and are always announced in advance to avoid misinterpretation by other nuclear powers. The transparency protocol is part of the deterrence framework
Not financial advice. Not medical advice. Just vibes.

Builder

The Sentinel ICBM replacement programme for Minuteman III has been in cost and schedule trouble for years. These tests are assessing a 1970s missile that is still the backbone of the land-based leg of the triad

PlanetOftheApes

The timing relative to the Samsung strike and AI coverage in this news cycle is a useful reminder that the most consequential technology decisions are still made with nuclear weapons context

BradBytheway

Unarmed ICBM tests are technically interesting because the re-entry vehicle guidance is what is being tested. Modern hypersonic manoeuvring warhead concepts make the re-entry guidance problem more complex than the Cold War era

TomTiz

Vandenberg launches almost always go south over the Pacific to avoid overflying populated areas. The trajectory is predictable and planned years in advance
Always open to a good discussion

NinaVrina

The nuclear triad philosophy, land sea and air based deterrence, is an old Cold War design that is expensive to maintain and regularly debated. The land based leg specifically has faced questions about its marginal deterrence value
VAR can do one

Jonathan_Repetto

Arms control treaty context is the thing that changes how these tests are interpreted by Russia and China. With New START effectively ended the verification regime that existed no longer provides the same transparency

Harry64

The cost of Sentinel at over 130 billion dollars makes it one of the most expensive weapons programmes in history. For context that is larger than the annual budget of most countries

Panda54

The fact that Minuteman III guidance systems still work 50 years after deployment is a testament to the maintenance programme and to the engineering conservatism in weapons systems design
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