Mark Esper

The lesson from history's bloodiest conflict is to remain ever vigilant and prepared to fight, he said.

A group of senators wants to reinstate funding for Stars and Stripes, the military's newspaper for service members.

Army Gen. James Dickinson became the head of U.S. Space Command on Thursday.

The heads of the U.S. military branches called for the return of all military hospital already transferred to the DHA.

Defense Secretary Mark Esper spent an hour and a half on the phone Thursday with China's defense minister.

Defense Secretary Mark Esper said that the massive explosions that devastated Beirut were most likely a tragic accident.

"It's very simple. They're delinquent," Trump said at the White House before leaving on a campaign trip to Texas.

The move will cost billions of dollars, according to Defense Secretary Mark Esper.

The personnel are Department of Homeland Security agents dispatched to Portland after weeks of protests.

The authorized list leaves off the Confederate flag, but also many others.