The Defense Department will continue to research and study space-based weapons like megawatt lasers, particle beams, and orbiting missiles. Michael Griffin, the defense undersecretary for research and engineering, has pushed to expand U.S. missile defenses and to enable hitting ICBMs during the initial boost phase and hypersonic weapons.
This was reported by Patrick Tucker at Defense One.
There are US plans to deploy a space-based sensor layer by 2023.
Currently, the US spent $30 billion on he ground-based Midcourse Defense system which has 44 interceptor rockets in Alaska and California.
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