Frontliner has released footage of an F-16 fighter jet in combat on one of the frontline directions, according to Frontliner founder and editor-in-chief Andrii Dubchak. "Silence. Frost.

The Ukrainian air force published footage of an interview with an F ... A still image from a Ukrainian air force video shows U.S.-made F-16 combat jets in action over Ukraine.

Ukrainian officials have cautioned citizens from posting videos of their aircraft, notably the U.S.-made F-16 Fighting Falcon, citing the possibility that the footage could aid the Russian onslaught.