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(Image: GETTY)

The NATO member state says the volunteers will be ready by 2019 and will serve as an additional deterrent to Russia.

Earlier this year it was announced that the UK would commit troops to Poland and other eastern European nations to ward off the threat.

While the Kremlin has deployed nuclear-capable missiles to Kaliningrad, an enclave of Russia cut off from the rest of the country by Poland and Belarus.

(Image: GETTY)

The Baltic republics of Lithuania, Latvia, and Estonia, which border Russia, have also warned of “unprecedented” aggression from Moscow.

Polish Defence Minister, Antoni Macierewicz, said that the new force will be similar to the US reserves, the National Guard.

It will likewise comprise civilians with military training, and will be deployed to defend the nation’s territory.

It’s hoped the force will deter an invasion like the Russian annexation of Crimea; officially part of Ukraine.

"It is also the best response to the dangers of a hybrid war," Mr Macierewicz declared yesterday.

Hybrid warfare is a tactic employed by Russia that uses deception rather than a formal declaration of war, experts say.

The invasion of Crimea was led by forces stripped of insignia which the Kremlin insisted were local militias and not Russian forces.