.Ukraine validates F-16s have actually shown up in nation as Zelensky heralds 'brand new phase' in fight versus Russia CNNUkraine receives first F-16 competitor jets to strengthen defenses against Russia, representatives tell AP The Associated PressExclusive|USA to Upper arm Ukraine's F-16 Planes Along with Advanced Defense The Commercial JournalWar in Ukraine: Zelenskiy Presents US-Made F-16 Fighter Planes in Flight Near Kyiv BloombergF-16 fighter planes get there in Ukraine that Zelenskyy points out will definitely increase fight versus Russia CBS News.