.Ukraine verifies F-16s have shown up in country as Zelensky declares 'new phase' in match against Russia CNNUkraine obtains initial F-16 fighter planes to boost defenses versus Russia, authorities say to AP The Associated PressExclusive|United State to Upper arm Ukraine's F-16 Planes With Advanced Weapons The Exchange JournalWar in Ukraine: Zelenskiy Reveals US-Made F-16 Boxer Planes in Tour Near Kyiv BloombergF-16 fighter jets get there in Ukraine that Zelenskyy says are going to enhance aggression versus Russia CBS News.