Snapshot from video

The Ukrainian Navy released a video showing a Russian Su-27 fighter jet's dangerous flyby over Ukrainian warships, participants in the Kozatska Volia-2018 ("Cossack Will-2018") strategic command and staff exercises.

The video was posted on the Navy's Facebook page.

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As UNIAN reported, Kozatska Volia-2018 strategic command and staff exercises kicked off on September 25. They will last until September 29 inclusive, according to Ukraine's Defense Ministry.

The main aim of the exercises is to increase capabilities of military command and control during defensive stabilization operations.