Defense Secretary Lloyd Austin will push the nation’s top defense companies to speed their development of hypersonic weapons in a high-level meeting next week.The United States has “a lot of catching up to do very quickly,” US Space Force Gen. David Thompson told CNN, after weapons tests by China and Russia took US national security officials by surprise in recent months — and after the American military suffered two catastrophic test failures in 2021.The highly maneuverable weapons fly at speeds in excess of Mach 5, five times the speed of sound — posing a dangerous threat to missile defense systems.
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