North Atlantic Treaty Organization - NATO

The Navy has also been working on how to "better operate in the challenging region."

Defense Secretary Lloyd Austin has voiced his commitment to shoring up close ties with NATO ally Germany.

New Defense Secretary Lloyd Austin's first overseas phone call after taking charge at the Pentagon went to the head of NATO -...

90 airmen have begun their new NATO support mission at Romania's 71st Air Base in Campia Turzii.

There are now about 4,000 U.S. troops deployed to Afghanistan, a U.S. defense official said, and the number is dropping.

The American presence on Polish soil plays a key role in safeguarding the West against the Kremlin's hostilities

In addition to harsh weather and rough terrain, Marines training in Norway also have to navigate a language barrier.

America's oldest bombers will fly across all 30 NATO countries in a mission meant to showcase solidarity with allies.

The Marine Corps will overhaul its mission in Norway this fall, swapping its yearlong presence for shorter stints.

The date for the move, as well as the location in Poland, has not been announced, but it will take place in 2021.