Fedorov's office sports a huge video screen with dozens of live feeds from Ukrainian drones flying over the front lines. Together, the feeds provide a vivid glimpse into Ukraine's drone war, in which commanders claim flying robots now account for an estimated 70% of all Russian deaths and injuries.

President Volodymyr Zelenskyy says Ukraine plans to boost domestic arms production to meet half its military's needs within six months.

As President Donald Trump hardens his position toward Moscow and seeks new ways to bring the conflict to an end, he is leaving open the prospect of allowing shipments of longer-range missiles to the country that would allow it to strike deeper into Russia,

Ukraine's Brave1 hopes all of its infantry will eventually carry its new anti-drone rifle rounds, designed to fire from NATO-issued rifles.

"He's come to the same conclusion as all of us, he's playing us," one European official said of President Donald Trump's new take on Russian leader Vladimir Putin.

Ukraine will let foreign arms companies test out their latest weapons on the front line of its war against Russia's invasion, Kyiv's state-backed arms investment and procurement group Brave1 said on Thursday.