The initiative hadn’t been planned to include xAI’s Grok model as recently as March, the former Pentagon employee said.

People with congestive heart failure, undergoing treatment for schizophrenia or who have a history of paraphilic disorders will no longer be eligible for a medical waiver to serve in the military, according to new rules issued by the Pentagon on Tuesday.

Leading the review has been Elbridge Colby, the Pentagon's Under Secretary of Defense for Policy, who has previously expressed concern that the U.S. would lose submarines to Australia at a critical time for deterrence against China. The congressmen copied their letter to him.

The Pentagon has issued new rules that would prevent people currently treated for schizophrenia, congestive heart failure, having a donated organ or some other issues from receiving a medical

Pete Hegseth has lost his sixth senior aide in as many months, with the defence secretary’s struggle to retain key staff leaving the Pentagon in limbo.

As a direct report to the deputy secretary of defense, Guetlein has authority to bypass competitive hiring procedures as he builds his Golden Dome team.

LOS ANGELES (AP) — Seven hundred Marines sent to Los Angeles will leave the city, the Pentagon said Monday. The Marines were sent to the city in June alongside 4,000 National Guard soldiers in response to protests over the Trump administration’s ongoing immigration raids around the city.

Justin Fulcher confirmed to Fox News Digital that he voluntarily resigned after six months as a senior advisor to Defense Secretary Pete Hegseth, calling his service “inspiring."