The U.S. is working to catch up with Russia and China in developing hypersonic weapons that travel beyond Mach 5.
Guard, Reserve and active-duty units with a Pacific focus are taking priority, officials said.
The Navy's hypersonic weapon test will determine the way forward for the Army's ground-launched hypersonic weapon capability.
At least 31 directed-energy initiatives are underway across the U.S. Department of Defense. Some are more mature than others.
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