ROME—The Ukrainian soldiers clambered from the ruined house at gunpoint—one with arms raised in surrender to the Russian ...

Experimentation on the battlefield and fast development of cheap, smart solutions helps the country resist Russia ...

A former Ukrainian commander-in-chief describes Ukraine’s DELTA battlefield-management system and other adaptations.

Zelenskyy claims 155 Chinese nationals are fighting for Russia in Ukraine, with two captured. China denies involvement. US officials confirmed the captures, raising alarm over escalating foreign ...