.Ukraine affirms F-16s have shown up in nation as Zelensky declares 'new section' in battle against Russia CNNUkraine acquires initial F-16 fighter planes to bolster defenses versus Russia, officials tell AP The Associated PressExclusive|USA to Arm Ukraine's F-16 Jets Along with Advanced Defense The Wall Street JournalWar in Ukraine: Zelenskiy Reveals US-Made F-16 Fighter Planes in Tour Near Kyiv BloombergF-16 competitor jets arrive in Ukraine that Zelenskyy points out will definitely enhance fight against Russia CBS Updates.