British Prime Minister Keir Starmer, left, NATO Secretary General Mark Rutte, center, and Ukraine's President Volodymyr Zelensky visited outside No.10 Downing Street after a discussion on the ongoing war in Ukraine in London on March 17. Zelensky thanked Ukrainian military personnel Wednesday for their "precision" after hittin a Russian military factory site on Tuesday. File Photo by Hugo Philpott/UPI | License Photo

June 10 (UPI) -- Ukrainian missiles hit a key Russian military factory more than 620 miles into the country, Ukrainian President Volodymyr Zelensky said.

The Flamingo FP-5 cruise missiles hit the Progress factory in Cheboksary, the capital of Russia's Chuvashia Republic. It makes the Kometa antennas that allow Russian drones and missiles to bypass Ukrainian air defenses.

Chuvashia Gov. Oleg Nikolayev confirmed Wednesday on Telegram that the city had been attacked and reported three injuries. He didn't say what buildings were hit, but Politico reported that independent Russian news website Astra reported that it was the Progress plant that was hit. The site used local social media videos to find the location.

We continue to apply Ukrainian long-range sanctions against Russian military facilities and the oil industry. In particular, last night Ukrainian FP-5 Flamingos struck a military plant in Cheboksary that supplies the occupier's army with components for drones and missiles. I... pic.twitter.com/WdA2yUhsyC— Volodymyr Zelenskyy / Володимир Зеленський (@ZelenskyyUa) June 10, 2026