March 11 (Reuters) - A standoff erupted between the U.S. Department of Defense and Anthropic in January after the AI lab refused to loosen safety guardrails on its systems, prompting the Pentagon to label it a 'supply-chain risk,

The Pentagon reportedly told legislators in a closed-door briefing that the estimated cost of the war against Iran during the initial six days was over $11.3 billion.

The Pentagon has confirmed that a U.S. plane has crashed in western Iraq. U.S. Central Command said a military refueling plane went down in "friendly airspace" during the operation against Iran. CBS

Ukraine spent years perfecting cheap drone killers. After burning through billions of missiles in three days, the U.S. and its allies are asking for help.

Defense Secretary Pete Hegseth gave the AI company Anthropic an ultimatum about the military's use of its technology, known as Claude.

Pentagon spending in September included nearly $9 million on Alaskan king grab and lobster tails, more than $200 million in furniture and $5.3 million in Apple devices – just some of the expenditures that added up to a record $93 billion price tag for the month,

Anthropic said Thursday that it has been designated a threat to national security by the Defense Department, a striking move that bans the company from doing business with the U.S. military and could

Many of the equity investments the Pentagon has made recently relate to critical minerals production. So far, the second Trump administration has invested $2.3 billion on critical minerals supply chain deals since Jan. 20, 2025, buttressed by the Defense Production Act, Duffey testified.

Start-up Anthropic and the U.S. military are careening toward a clash over government use of artificial intelligence — and whether it should be allowed to kill.

Iranians cowered under the barrage as Pete Hegseth, the U.S. defense secretary, said the U.S. aimed to wipe out Iran’s capacity to obtain nuclear weapons “forever.”

Emil Michael, a veteran of controversies at Uber, is the Trump administration’s point person in the fight over military use of AI.