A Ukrainian soldier of a mobile air defence unit demonstrates his skills at the Antonov airport in Hostomel, on the outskirts of Kyiv, Ukraine, Saturday, April 1, 2023. (Photo by Efrem Lukatsky/AP Photo)





A Ukrainian serviceman of 12 aviation brigade sits inside an Mi-8 combat helicopter before flight during a combat mission in Kharkiv region, Ukraine, Sunday, April 2, 2023. (Photo by Alex Babenko/AP Photo)





Ukrainian President Volodymyr Zelenskyy presents a medal to a servicewoman in Okhtyrka in the Sumy region of Ukraine, Tuesday March 28, 2023. A team of journalists from The Associated Press traveled with Zelenskyy aboard his train for two nights as he visited troops along the front lines and communities that have been liberated from Russian control. Zelenskyy is hoping his trips keep the public's attention on the war, particularly in parts of Ukraine where life can often appear to have returned to normal. (Photo by Efrem Lukatsky/AP Photo)





Ukrainian tank unit crew member, call sign “Mehan”, poses for a portrait after returning from a mission at the frontline, amid Russia's invasion of Ukraine, near the bombed-out eastern Ukrainian city of Bakhmut, in the eastern Donetsk region, Ukraine on March 29, 2023. (Photo by Violeta Santos Moura/Reuters)





A Ukrainian woman soldier, left, kisses her husband as they meet at a railway station close to the frontline in Kramatorsk, Donetsk region, Ukraine, Wednesday, March 29, 2023. (Photo by Libkos/AP Photo)





Ukrainian service man Oleksandr with 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 service man Oleksandr with 24th brigade stands on 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 service man Olexandre of the 24th brigade plays with a puppy dog 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 service man Yuzik (43) of the 24th brigade smokes a cigarette at his shelter 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 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 service man Yuzik (43) of the 24th brigade takes cover at 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)





A Ukrainian serviceman looks out of the hatch of an armoured personnel carrier (APC) in the town of Chasiv Yar, Donetsk region on April 3, 2023, amid the Russian invasion of Ukraine. (Photo by Genya Savilov/AFP Photo)





Ukrainian soldiers of mobile air defence units pose for a photo at the Antonov airport, in front of the gutted remains of the Antonov An-225, the world's biggest cargo aircraft, destroyed during fighting between Russian and Ukrainian forces, in Hostomel, on the outskirts of Kyiv, Ukraine, Saturday, April 1, 2023. (Photo by Efrem Lukatsky/AP Photo)





A Ukrainian soldier is on the snow covered tank amid Russia-Ukraine war in Donetsk Oblast, Ukraine on March 31, 2023. Military aid is provided by a framework of “tank coalition” formed by European countries last year. Commander of code named “Lishiy” of tank troop expectantly waits for arriving of modern tanks to the frontline. (Photo by Muhammed Enes Yildirim/Anadolu Agency via Getty Images)





A member of the mobile air defence group checks a M2 Browning machine gun atop of a pick up truck donated by volunteer fund during a handover ceremony, amid Russia's attack on Ukraine, in the town of Hostomel, Kyiv region, Ukraine on April 1, 2023. (Photo by Valentyn Ogirenko/Reuters)