U.S. efforts to catch up with China and Russia in developing hypersonic weapons may have been set back after Lockheed Martin Corp.’s air-launched missile suffered three consecutive test failures that left it on a tight schedule.
That’s put in doubt the Pentagon’s goal to declare it America’s first combat-ready hypersonic weapon and approve initial production by Sept. 30.
China and Russia have conducted test launches and fielded their versions of the new weapons, which can travel five times the speed of sound and maneuver in flight like a cruise missile, making them harder to detect and shoot down.
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