Transcription of Hypersonic Weapons: Background and Issues for Congress
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Hypersonic Weapons: Background and Issues for Congress Updated October 19, 2021 Congressional research Service R45811 Congressional research Service SUMMARY Hypersonic Weapons: Background and Issues for Congress The United States has actively pursued the development of Hypersonic weapons maneuvering weapons that fly at speeds of at least Mach 5 as a part of its conventional prompt global strike program since the early 2000s. In recent years, the United States has focused such efforts on developing Hypersonic glide vehicles, which are launched from a rocket before gliding to a target, and Hypersonic cruise missiles, which are powered by high-speed, air-breathing engines during flight. As Vice Chairman of the Joint Chiefs of Staff and former Commander of Strategic Command General John Hyten has stated, these weapons could enable responsive, long-range, strike options against distant, defended, and/or time-critical threats [such as road-mobile missiles] when other forces are unavailable, denied access, or not preferred.
Indeed, as Principal Director for Hypersonics (Office of the Under Secretary of Defense for Research and Engineering) Mike White has stated, DOD has not yet made a decision to acquire hypersonic weapons and is instead developing prototypes to assist in the evaluation of potential weapon system concepts and mission sets.
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