.Ukraine verifies F-16s have actually shown up in nation as Zelensky declares 'new phase' in match against Russia CNNUkraine acquires 1st F-16 competitor planes to boost defenses against Russia, authorities tell AP The Associated PressExclusive|U.S. to Arm Ukraine's F-16 Jets With Advanced Weapons The Exchange JournalWar in Ukraine: Zelenskiy Reveals US-Made F-16 Competitor Planes in Air Travel Near Kyiv BloombergF-16 fighter jets arrive in Ukraine that Zelenskyy says are going to improve aggression versus Russia CBS Information.