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Huge explosions are seen in some of the photos, blasting sand from the beach as fireball erupted.

Troops were seen testing out UR-77 Meteroit mine clearing systems, or working with an array of pistols and guns.

And flares filled the air with smoke as soldiers advanced on their targets under the cover of the thick black plumes.

The drills involved more than1,000 soldiers, including the engineer and sapper units of the Russian Navy’s Baltic Fleet.