Dr. Mark J. Lewis
Russian claims of using hypersonic missiles to strike targets in Ukraine should be a wake-up call.
Though purists might argue that hypersonic weapons have been used before — any missile exceeding Mach 5 in the atmosphere is technically hypersonic — this appears to be the first combat use of a hypersonic maneuvering missile, a weapon combining the attributes of speed, unpredictability and altitude for increased survivability.
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