"We're looking at some of the things that came from the SDI initiative, some of the talking points, some of the op-eds and analysis and theories that happened then just to kind of capture what that looks like," he said.
Pentagon chief believes Chinese hypersonics could destroy U.S. carriers in minutes
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Air Force Gen. Anthony Cotton, commander of the Strategic Command, told Congress earlier this year that China is developing a new generation of mobile intercontinental ballistic missiles, in addition to several types of silo-based and mobile missiles already deployed.
Inside the Ring: China holds rare ICBM test in Pacific
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