Ukrainian soldiers of the 71st Jaeger Brigade fire a M101 howitzer towards Russian positions at the frontline, near Avdiivka, Donetsk region, Ukraine, Friday, March 22, 2024. (Photo by Efrem Lukatsky/AP Photo)

A Ukrainian serviceman stands on a flag of Russia's mercenary group Wagner near the Russian border in Sumy region, Ukraine on August 13, 2024. (Photo by Viacheslav Ratynskyi/Reuters)

A pro-Russian rebel guards a captured former Ukrainian Army checkpoint outside Vuhlehirsk, Donetsk region, eastern Ukraine, Thursday, February 5, 2015. The rebels have closed in around the town in a strategy they triumphantly refer to as the Debaltseve cauldron. Separatists recently burst through government lines in the rural settlement of Vuhlehirsk. (Photo by Vadim Braydov/AP Photo)

The body of an unidentified man lies on a road barrier near a village recently retaken by Ukrainian forces on the outskirts of Kharkiv, Ukraine, Saturday, April 30, 2022. Ukraine's second-largest city, has been under sustained Russian attack since the beginning of the war in late February. (Photo by Felipe Dana/AP Photo)

A Ukrainian serviceman from an anti-drone mobile air defence unit uses his mobile device near a ZU-23-2 anti aircraft cannon as he waits for Russian kamikaze drones, amid Russia's attack on Ukraine, in Kherson region, Ukraine on June 11, 2024. (Photo by Ivan Antypenko/Reuters)

Ukrainian soldiers fire with D-30 artillery at Russian positions in the direction of Klishchiivka as the Russia-Ukraine war continues in Donetsk Oblast, Ukraine on August 12, 2023. (Photo by Diego Herrera Carcedo/Anadolu Agency via Getty Images)

Sniper of the 1st brigade of National Guard "Bureviy' takes part in a military training in Donetsk Oblast, Ukraine on July 9, 2024. Ukrainian snipers are highly trained and capable of causing damage, and are therefore a priority target for Russian troops. Their frontline tasks include shooting down soldiers at Russian observation posts, providing observation to assist artillery fire, and stopping Russian waves when they attack. (Photo by Pablo Miranzo/Anadolu via Getty Images)

A Russia-backed rebel looks at the flag covered body of an Ukrainian serviceman in Debaltseve, Ukraine, February 20, 2015. The struggle for the strategic rail hub, Debaltseve, a sleepy town with a pre-war population of 25,000 people, left the town in ruins and became one of the darkest pages in the ongoing conflict in eastern Ukraine, which has already killed more than 6,000 people. (Photo by Vadim Ghirda/AP Photo/File)