Yet in the United States, the divide is widening. The Cold War model, in which breakthroughs in American military technology and the space program flowed to the commercial sector, is gone forever. The reverse model—using the skills of Silicon Valley to create the next-generation weapons—has run headlong into political and cultural opposition. “Even if the US does have the best AI companies, it is not clear they are going to be involved in national security in a substantive way,” said Gregory Allen of the Center for a New American Security. The effects are already visible: the military edge the
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