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)

A cat sits on the shoulder of Ukrainian serviceman Mykyta of the 93rd separate mechanized brigade at a rest house near the front line in the Donetsk region on December 25, 2023. (Photo by Thomas Peter/Reuters)

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)

A serviceman of Ukraine's coast guard mans a gun on a patrol boat as a cargo ship passes by in the Black Sea, amid Russia’s attack on Ukraine, on February 7, 2024. (Photo by Thomas Peter/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)

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)

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 Ukrainian serviceman hugs his relative after returning from captivity during a POWs exchange between Russia and Ukraine, in Ukraine, Monday December 30, 2024. (Photo by Evgeniy Maloletka/AP Photo)