U.S. Defense Secretary Pete Hegseth's chief of staff, Joe Kasper, will leave his role in the coming days for a new position ...

Lt. Gen. Dan Caine will serve as the senior military adviser to President Trump and Defense Secretary Pete Hegseth.

Experts warn that the timing of the potential drawdown could alarm NATO allies and embolden Russian President Vladimir Putin.

on Tuesday voted against Elbridge Colby, President Trump’s pick to serve as under secretary ... secretary for Defense for the ...

PANAMA CITY (AP) — U.S. Secretary of Defense ... The meeting comes amid tensions over U.S. President Donald Trump’s repeated assertions that the United States is being overcharged to use ...

Peace is out of reach for Ukraine due to Russian President Vladimir Putin’s ongoing aggression, the defense ministers of the ...