As the largest and oldest branch of the U.S. military, the Army is confronting a new battlefield — technology.

Drawing on a long history of resistance, Ukraine is effectively using asymmetric and guerrilla warfare tactics to counter ...

Ukraine has repatriated more bodies of fallen soldiers in line with an agreement reached during peace talks in Istanbul ...

Russia said on Friday it had conducted large-scale tests of new laser-based systems to defend against drones. A government ...