The president said Dan Caine once offered to kill for him and slapped a signature red hat on his head, a violation of military rules.

Venture-backed companies see an opening to take business from traditional defense contractors.

It’s time to end the needless war between Russia and Ukraine. Russia has a chance to be a peacemaker by negotiating an end to ...

The increase in the range of people who can be targeted by the U.S. military dismantles Biden-era mandates that included more ...

The new Pentagon chief got a look at Guantánamo Bay’s most infamous inmate in his recent visit to the wartime prison.

President Trump argued on Wednesday that Defense Secretary Pete Hegseth should “fire every single” US military general ...

Pete Hegseth touted Lt. Gen. Dan "Razin" Caine as the next Chairman of the Joint Chiefs, highlighting that he was not involved in the Afghanistan withdrawal.

A memo obtained by Breaking Defense outlines changes to how the Pentagon acquires software — and potentially presages more changes to come.

The abrupt firing of Gen. Charles Q. Brown Jr. and six other Pentagon leaders has drawn fierce criticism from Democrats and ...

Mr. Hegseth served at the U.S. Navy base as a National Guard lieutenant. The base is now being used to hold some migrants who ...

Defense Secretary Pete Hegseth on Monday rejected a reporter’s question that suggested President Trump’s pick for the new ...

The civilian and military leadership within Department of Defense have a rare opportunity to partner with the political ...