Ukraine Hurries to Build Defenses Against Russia’s Jet-Powered Drones

Kyiv lacks an answer, for now, to Moscow’s mass-produced new weapons In a field in central Ukraine, an experimental drone zoomed into the sky as engineers demonstrated its potential to intercept Russia’s jet-powered attack drones, which are tormenting the country. The prototype, called a Zirka, reached a top speed of 280 miles an hour as its propellers whirred frantically. Not fast enough, the testers acknowledged.“We still need to find a counter-jet solution,” said Lika Volovych, a manager at the Zirka’s manufacturer Noctis, as she watched it buzz high above.On the horizon, black smoke rose from a Russian drone strike on...