.Ukraine confirms F-16s have actually shown up in nation as Zelensky heralds 'new section' in battle versus Russia CNNUkraine acquires first F-16 boxer jets to reinforce defenses against Russia, officials say to AP The Associated PressExclusive|USA to Upper arm Ukraine's F-16 Planes With Advanced Defense The Commercial JournalWar in Ukraine: Zelenskiy Presents US-Made F-16 Competitor Jets in Flight Near Kyiv BloombergF-16 competitor planes show up in Ukraine that Zelenskyy claims will definitely increase aggression against Russia CBS Headlines.