.Ukraine affirms F-16s have actually shown up in country as Zelensky proclaims 'new chapter' in fight against Russia CNNUkraine acquires initial F-16 fighter jets to strengthen defenses against Russia, representatives say to AP The Associated PressExclusive|U.S. to Upper arm Ukraine's F-16 Planes With Advanced Defense The Exchange JournalWar in Ukraine: Zelenskiy Shows US-Made F-16 Fighter Planes in Trip Near Kyiv BloombergF-16 boxer planes show up in Ukraine that Zelenskyy points out will enhance fight versus Russia CBS Headlines.