In just over a month, President Donald Trump has overturned old certainties about U.S. reliability as a security partner, as he embraces Russia and withdraws American support for Ukraine.

Russia has intensified cyber operations against Ukraine and NATO countries, according to previous U.S. intelligence and ...

Defense Secretary Pete Hegseth is rushing to reshape the military, in part by shifting money and making cuts. He has banned efforts in the Defense Department to promote diversity, and strongly backed ...

Officials at the Defense Department’s Civilian Protection Center of Excellence, which seeks to limit collateral damage from ...

On Wednesday, Robert Salesses, the deputy director of Washington Headquarters Services for the Department of Defense, announced that Defense Secretary Pete Hegseth had directed the department to ...

Federal agencies must develop plans to eliminate employee positions, according to a memo distributed by President Donald ...

Trump fired the US’s top military leader and five other officials at the Pentagon in a Friday night purge that pitted White House politics against the country’s longstanding national security network.

The dismissals will begin next week, officials said, and could expand to include tens of thousands of other workers ...

Defense Secretary Pete Hegseth has ... Donald Trump’s priorities WASHINGTON -- WASHINGTON (AP) — Defense Secretary Pete Hegseth has directed the military services to identify $50 billion ...