A U.S. Border Patrol agent killed during a traffic stop near the Canadian border worked security duty at the Pentagon during the time of the Sept. 11 attacks.

Lt. Col. Stuart Scheller and Lt. Col. Matthew Lohmeier were both relieved of command for publicly criticizing their superiors.

Kill Chain Engage The Pentagon is bullish on its recent AI advances that apparently help the military kill people faster than ever before. In an interview with TechCrunch, the Pentagon's chief digital and AI officer,

A U.S. Border Patrol agent who was killed in Vermont during a traffic stop near the Canadian border was a military veteran who worked security duty at the Pentagon during the time of the September 11 attacks.

Presented by Lockheed Martin —{beacon} Defense &National Security Defense &National Security PRESENTED BY LOCKHEED MARTIN The Big Story Trump’s back, here’s what it

The outgoing Biden administration hasn’t designated a senior official to act as defense secretary during the transition, raising the question of who will be in charge at the Pentagon until the Trump administration installs an individual to execute orders.

It's unclear who'll take over at the Pentagon and the military services when the top leaders all step down Monday as President-elect Donald Trump is sworn into office.

It's hard to tell just where retired General Mark Milley's portrait once hung in the Pentagon's prestigious E-ring hallway, alongside all of the former chairmen of the Joint Chiefs of Staff.

The U.S. military will support deportation flights, intelligence collection and help construct barriers when 1,500 active-duty troops deploy to the southern border and begin work in the next two

A cloud of controversy has hung over Hegseth, but he now appears to be on track to be confirmed as Trump's defense secretary.