The multinational military exercise titled "Clear Sky-2018" has begun in Ukraine with the participation of American aircraft.

In particular, nine countries — Belgium, UK, Denmark, Estonia, the Netherlands, Poland, Romania, the U.S., and Ukraine — take part in the 12-day multinational joint exercises.

Earlier it was reported that the aircraft of the US Air Force F-15C Eagles and C-130J Super Hercules arrived in Ukraine to partake in the international drills Clear Sky-2018.