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Ukraine's Operation Vivaldi reclaims territory near Lyman

newsSep 20, 2026232,082

Brig. Gen. Andrii Biletskyi, commander of Ukraine's 3rd Army Corps, publicly confirmed on Sept. 15 that his unit launched Operation Vivaldi, a series of counterattacks north of Lyman in Donetsk Oblast. Biletskyi said Ukrainian troops cleared 75 square kilometers of Russian infiltrators and liberated 10 square kilometers, including the village of Serednie. He credited the operation with delivering a heavy blow to the combat capabilities of Russia's 20th and 25th Combined Arms Armies and said Ukrainian drone strikes pushed Russian supply hubs back across the state border. Open sources and Russian pro-war military bloggers report Ukrainian forces likely advanced as far as the Zherebets River near the Luhansk border. Ukraine kept the offensive under strict information blackout for operational security, and Biletskyi on Sept. 7 publicly rebutted Russian claims about Sviatohirsk, arguing Russian field reports were inaccurate. The 3rd Army Corps released limited imagery showing units training with ground drones ahead of combat operations on June 1.

The Analyst
@militaryanalyst.bsky.social

OPERATION VIVALDI SECURES 420km2 The Ukrainian operation has been running in secret from early spring through the summer and only now are they admitting the true scale of it. The Russians were pushed back to the Sherevebets river and have completely lost all of the ground west of it. Ukraine now

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