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

The guidance updates a list of conditions that disqualify potential recruits from serving in the armed forces.

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 changes seem unlikely to impact common medical waivers for conditions such as vision and attention-deficit hyperactivity disorder.

Pentagon tightens medical waiver restrictions for military recruits, ensuring higher health standards for force readiness.

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.

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."

Justin Fulcher, an adviser to Defense Secretary Pete Hegseth, said in a statement that he had planned to work in the federal government for only six months.

Justin Fulcher started at the Defense Department as a member of DOGE. He was later promoted to a post as senior adviser to Defense Secretary Pete Hegseth.

Pentagon press releases say 20,000 federal troops have deployed to support ICE across the country. The real number may be markedly higher.