Moscow shifted its focus toward Chasiv Yar, an elevated town that potentially opens the way to further advances into the region.The Su-25 is used to provide close air support for Russian troops on the ground."Well done. I thank all our soldiers at the front in combat missions at combat posts," Zelensky said.Russia's total losses during the all-out war amount to about 673 aircraft — 348 planes and 325 helicopters, according to Ukraine's General Staff.The General Staff's figure could not be independently verified. Subscribe to newsletter War Notes