President Volodymyr Zelenskiy said Ukraine would need the U.S. to help it build up an army as big as that of Russia to serve ...

U.S. Defense Secretary Pete Hegseth on Wednesday made the first trip to NATO by a member of the new Trump administration, as ...

As the U.S. Army continues its transition back to large-scale combat operations, it must also place emphasis on reserve ...

The U.S. Army’s 1st Cavalry Division and Polish Army’s 11th Armored Cavalry Division staff built interoperable ...

Any intelligence gathered from Mexican territory would have to be shared under agreements between the two countries, Defense Minister Ricardo Trevilla said.

Open-source intelligence has been a key tool for decades, going back to the CIA scouring Soviet phone books to track down ...