KYIV, Ukraine (AP) — The number of Russian troops killed or wounded in Ukraine has topped 1 million, military officials in Kyiv said Thursday, describing the huge price that Moscow has paid for its 3-year-old invasion.

Military leaders and analysts alike are questioning whether any level of battlefield attrition can alter Russia’s efforts to occupy still more of Ukraine. Former Commander-in-Chief of the Armed Forces of Ukraine Valerii Zaluzhnyi admitted in November,

Russia will likely surpass 1 million casualties in its war on Ukraine this summer, according to one of the world’s leading think tanks.