The United States is vulnerable to future attack by hypersonic missiles from China and Russia and is falling behind in the technology race to develop both defensive and offensive high-speed maneuvering arms, according to a new Air Force study • /r/worldnews

The United States is vulnerable to future attack by hypersonic missiles from China and Russia and is falling behind in the technology race to develop both defensive and offensive high-speed maneuvering arms, according to a new Air Force study (freebeacon.com)submitted 19 minutes ago by loading...

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