A Ka-52 "Alligator" helicopter during testing in Russia’s Rostov region in January 2022.REUTERS/Sergey Pivovarov Ukraine said it shot down two Russian Ka-52 attack helicopters on Thursday morning. The advanced helicopters have given Russian forces an advantage in its invasion, UK intel said. But Ukraine is striking back against them, with one tracking group saying 40 have been taken down. Ukraine said it shot down two advanced Russian Ka-52 attack helicopters in a single morning this week.Ukraine's 47th Mechanized Brigade posted on Facebook that soldiers destroyed a Ka-52 at around 7:40 a.m.