Ukraine's Operation Vivaldi Recovers 176 Sq. Km Near Lyman, Capturing 250 POWs

Key points

• Ukraine's Third Army Corps announced the completion of the third phase of Operation Vivaldi, recovering 176 square kilometers of land in the Donetsk region.
• The operation resulted in the capture of more than 250 Russian prisoners, including officers, pilots, and artillerymen, according to Gen. Andrii Biletskyi.
• Ukrainian forces utilized unmanned ground robots and long-range drones to disrupt Russian logistics and blind their defenses near the Siverskyi Donets River.
• The offensive successfully prevented Russian forces from seizing Lyman, a critical logistics hub for the northern Donetsk front.
• President Volodymyr Zelenskyy stated that Ukrainian units neutralized 10,660 Russian troops killed or wounded in the past week.
• The Kremlin denied the significance of the Ukrainian gains, labeling them as a smokescreen for Western supporters.

Background

Operation Vivaldi began in May 2026 as a response to Russian advances toward Lyman, a key city in the Donetsk fortress belt. Prior to this phase, Ukrainian forces had been focusing on attritional warfare and strategic strikes against Russian logistics. The current phase represents a shift toward more coordinated offensive operations aimed at reclaiming initiative in the eastern front.

How outlets are covering it

Politico emphasizes the political significance of the operation, noting that it provides evidence to the Trump administration and other Western allies that Russian advances are not inevitable. The outlet highlights the use of deception, where Ukrainian forces drew Russian reserves away from the main thrust toward Nove. Modern War Institute provides a deeper tactical analysis, crediting the success to drone dominance and the neutralization of Russia's elite Rubicon drone unit. It argues that while the operation is a tactical success, Ukraine still lacks the operational concept to exploit this into a decisive victory. Ukrinform focuses on the specific liberation of the village of Karpivka, highlighting the cooperation between the Third Army Corps and the State Border Guard Service. The Kremlin, as reported by Politico, dismisses the entire operation as a minor infiltration attempt, denying any significant setback.

Why it matters

The success of Operation Vivaldi challenges the narrative of inevitable Russian victory in the Donetsk region. It demonstrates that Ukrainian forces can effectively use technology and tactical innovation to reverse momentum, which may influence Western support and diplomatic negotiations. However, the lack of a deep operational breakthrough means the war remains a grinding conflict, with Russia still capable of mounting new offensives elsewhere.

What to watch

Gen. Biletskyi stated that Operation Vivaldi will continue, referencing the four seasons of Vivaldi's music. Ukraine is expected to focus on consolidating its gains and potentially expanding the operation to achieve a deeper operational breakthrough. Russia is likely to reorganize its defenses behind the Zherebets River and may launch new offensives in other sectors to offset the losses near Lyman.