Edward Brady and Michael E. White
Any future large-scale conflict in the Pacific will be in a highly contested environment where US capability will be aggressively challenged in the air, on land, at sea, and in space. The US military must have the ability to rapidly deliver lethal effects at range in a timescale of relevance. On their own, traditional strike weapons do not have sufficient speed or range to enable effective operation on what will be the highly contested battlefield of the future. Hypersonic weapons, if fielded in sufficient numbers to defeat critical targets necessary to degrade adversary capabilities, will enable effective use of traditional weapon systems and allow for future battlefield dominance. A layered defeat construct must be deployed to defend against ballistic and hypersonic missiles targeting US assets.
How do hypersonic weapons fit into weapons evolution?
For centuries, weapons have trended toward increasing speed, range, and accuracy. Hypersonic weapons build on these trends. Advanced engine technology and improved materials enable missiles to travel at hypersonic speeds (above Mach 5) while maintaining meaningful maneuverability. Because of their speed, hypersonic weapons, especially hypersonic cruise missiles, tend to have greater ranges than similarly sized weapons.
Faster weapons with longer ranges are more lethal than slower, shorter-range weapons. The faster speeds mean that targets have less time to evade or defend themselves. Hypersonic weapons are more likely to penetrate enemy defenses optimized for slower munitions, meaning missile salvos can comprise fewer missiles. Longer ranges mean that shooters can engage from farther away, potentially outside detection or engagement range of enemy defenses, depending on launch platform capabilities.
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