A disc-shaped, completely silent UFO was caught on camera by Ukrainian troops in the war-torn country, in footage shared exclusively with DailyMail.com.

'What the f-[expletive] is this? Why isn't it moving?' the men with Ukraine's 406th Battalion can be heard debating as they witnessed the deadly calm UFO hovering over their warzone.

While the size, altitude, and shape of the object remain a mystery, the drone's own altitude indicates that the apparent object could be a large craft over 30 miles away.

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