The US has made countering hypersonic missiles, like those developed by China and used by Russia, a top priority.

The following is the May 15, 2025, Congressional Research Service In Focus report, Hypersonic Missile Defense: Issues for Congress. From the report The Missile Defense Agency (MDA) and Space Development Agency (SDA) are currently developing elements of a missile defense system that may be able to defend against hypersonic weapons and other emerging missile threats.

Russia and China already possess thousands of weapons that could hit the U.S. homeland that the "Golden Dome" will ideally intercept once operational.

RTX has secured a $1 billion contract from the Missile Defense Agency to deliver Standard Missile-3 Block IB All-Up Rounds.

Plans for a 360-degree missile system for the island will cost approximately $8 billion, and the Department of Defense will continue improving on the system’s capability “forever,” according to the

An upgraded radar provides greater sensitivity to increase range, expanding surveillance capacity and supporting hypersonic defense missions.

With a new Gallium Nitride array, the AN/TPY-2 radar can now detect hypersonic weapons at greater ranges, earlier in the flight path.