.Ukraine validates F-16s have gotten there in country as Zelensky heralds 'brand new chapter' in fight versus Russia CNNUkraine acquires initial F-16 boxer jets to boost defenses versus Russia, authorities say to AP The Associated PressExclusive|USA to Arm Ukraine's F-16 Planes With Advanced Defense The Commercial JournalWar in Ukraine: Zelenskiy Shows US-Made F-16 Fighter Jets in Tour Near Kyiv BloombergF-16 boxer jets get there in Ukraine that Zelenskyy mentions will definitely enhance fight against Russia CBS News.