Ukraine is not on the verge of collapse. That makes the Trump administration’s decisions particularly shortsighted and tragic ...

The Trump administration appears to be back in Ukraine's corner, but it's unclear if Putin, while enjoying battlefield victories, can be convinced to halt his assault.

France, Australia, Japan, Canada, New Zealand—following Washington’s lead—have each staged war games or concluded alliances ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

In 1965, about 3,500 U.S. Marines landed in Da Nang, South Vietnam. It was the first deployment of a large U.S. ground combat ...