.Ukraine affirms F-16s have shown up in nation as Zelensky heralds 'new phase' in match versus Russia CNNUkraine gets initial F-16 boxer planes to strengthen defenses against Russia, representatives tell AP The Associated PressExclusive|USA to Upper arm Ukraine's F-16 Jets Along with Advanced Defense The Commercial JournalWar in Ukraine: Zelenskiy Reveals US-Made F-16 Fighter Jets in Trip Near Kyiv BloombergF-16 boxer planes get there in Ukraine that Zelenskyy claims are going to improve aggression against Russia CBS Headlines.