.Ukraine affirms F-16s have shown up in nation as Zelensky advertises 'new phase' in battle against Russia CNNUkraine acquires 1st F-16 fighter jets to boost defenses versus Russia, representatives inform AP The Associated PressExclusive|U.S. to Upper arm Ukraine's F-16 Jets Along with Advanced Defense The Stock Market JournalWar in Ukraine: Zelenskiy Reveals US-Made F-16 Fighter Jets in Tour Near Kyiv BloombergF-16 competitor jets show up in Ukraine that Zelenskyy claims will definitely enhance fight versus Russia CBS Information.