While Anthropic took a stand earlier this year to limit how its AI tech is used in classified military settings, it seems like the rest of Silicon Valley isn’t too concerned.  Four more tech companies have struck deals with the U.S. Department of Defense (DoD) to deploy their advanced AI capabilities on classified military networks for “lawful operational use.” Microsoft, Nvidia, Amazon Web Services, and startup Reflection AI were named as the latest companies to sign agreements with the Pentagon, according to a DoD press release . They join SpaceX, OpenAI, and Google, bringing the total number of AI companies participating in classified military work to seven.…