.Ukraine validates F-16s have actually shown up in country as Zelensky declares 'new phase' in match versus Russia CNNUkraine receives initial F-16 fighter planes to strengthen defenses versus Russia, officials say to AP The Associated PressExclusive|USA to Arm Ukraine's F-16 Planes Along with Advanced Weapons The Commercial JournalWar in Ukraine: Zelenskiy Reveals US-Made F-16 Boxer Planes in Flight Near Kyiv BloombergF-16 fighter planes get there in Ukraine that Zelenskyy says will enhance fight against Russia CBS Headlines.