Ukrainian artillery fires towards the frontline during heavy fighting amid Russia's attack on Ukraine, near Bakhmut, Ukraine on April 13, 2023. (Photo by Kai Pfaffenbach/Reuters)

Ukrainian service members walk to an armoured personnel carrier outside of the frontline town of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine on May 23, 2023. (Photo by Yevhenii Zavhorodnii/Reuters)

Ukrainian service man Oleksandr of 24th brigade stands guard at his position in the trenches at the frontline, amid Russia?s attack on Ukraine near Niu York, Donetsk region, Ukraine on April 4, 2023. (Photo by Kai Pfaffenbach/Reuters)

Ukrainian serviceman Valerii looks on at a position in a frontline, amid Russia's attack on Ukraine, in Mykolaiv region, Ukraine on October 26, 2022. (Photo by Valentyn Ogirenko/Reuters)

A mural is seen on a heavily damaged residential building in the frontline town of Avdiivka, Donetsk region on April 25, 2023, amid the Russian invasion of Ukraine. (Photo by Anatolii Stepanov/AFP Photo)

A Ukrainian serviceman of the 53rd brigade fires a RPG-9 towards Russian positions at the frontline close to Donetsk, Ukraine, Saturday, August 19, 2023. (Photo by Libkos/AP Photo)

Artem, a serviceman of infantry battalion of the 61st mechanised brigade, pets a dog in a trench at a position near the frontline, in Kharkiv region, Ukraine on January 6, 2024. (Photo by Sofiia Gatilova/Reuters)

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)