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This fact brief was originally published as an experiment to test the concepts behind fact briefs.
Readers should be aware that while there is still a lot of useful information in fact briefs like this one, not all of them reflect Gigafact's current methods and standards for fact briefs. If you come across any that you feel are out of date, don't hesitate to contact us at support@gigafact.org.
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FACT BRIEF

Does China’s recently demonstrated hypersonic missile technology pose a national security threat to the US?

By Jacob Alabab-Moser
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YES

China's recent nuclear-capable hypersonic missile test demonstrates a military capability threatening to U.S. national security.

Gen. Mark Milley, the nation's top military officer, called the test “very concerning.” Milley confirmed the occurrence of the test, originally reported by the Financial Times, which cited “five people familiar with the test” as its source. Milley declined to provide details due to their classified nature. Chinese officials have denied that the tests involved hypersonic missiles.

The key features of hypersonic missiles, which the U.S. and Russia are also developing, “include flight trajectory, speed and maneuverability that make them capable of evading early warning systems that are part of U.S. missile defenses,” according to AP News. Hypersonic missiles can fly six times faster than the speed of sound.

The U.S government currently spends more than $1 billion per year on hypersonic research.

This fact brief is responsive to conversations such as this one.
Sources
AP News Gen. Milley calls Chinese weapon test ‘very concerning’
Financial Times China tests new space capability with hypersonic missile
Bloomberg US Gen. Mark Milley likens China’s hypersonic weapon test to ‘Sputnik moment’
Science ‘National pride is at stake.’ Russia, China, United States race to build hypersonic weapons
Arms Control Association Understanding hypersonic weapons: Managing the allure and the risks
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Gigafact
Between 2020 and 2022, under close editorial supervision, Gigafact contracted a group of freelance writers and editors to test the concepts for fact briefs and provide inputs to our software development process. We call this effort Gigafact Foundry. Over the course of these two years, Gigafact Foundry writers published over 1500 fact briefs in response to claims they found online. Their important work forms the basis of Gigafact formats and editorial guidelines, and is available to the public on Gigafact.org. Readers should be aware that while there is still a lot of relevant information to be found, not all fact briefs produced by Gigafact Foundry reflect Gigafact's current methods and standards for fact briefs. If you come across any that you feel are out of date and need to be looked at with fresh eyes, don't hesitate to contact us at support@gigafact.org.
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About fact briefs published on Gigafact
Fact briefs are short, credibly sourced summaries that offer “yes/no” answers in response to claims found online. They rely on publicly available, often primary source data and documents. Fact briefs are created by contributors to Gigafact —a nonprofit project looking to expand participation in fact-checking and protect the democratic process. See all fact briefs here.