Belarus is buying nuclear-capable missiles from Russia as well as offering its country as a staging ground for troops entering Ukraine.

One of Russia’s few out-and-out allies, Belarus has purchased an unknown number of 9K720 Iskander short-range ballistic missiles. The Iskanders' warheads can utilize everything from cluster munitions to bunker-busting penetrators.

BELARUS DEPLOYING SPECIAL FORCES NEAR UKRAINE BORDER

"Now, we have a completely different army with such weapons,” Belarusian President Aleksandr Lukashenko said. “At the very least, this weapon can cause unacceptable, colossal damage."

Belarus hasn’t provided troops to supplement Russian forces in Ukraine, but it has offered its services as a base for troops meeting stiff resistance from Ukrainian fighters.

However, reports suggest Belarus’s activity could escalate.

Belarus started checking the “combat readiness” of its military equipment earlier this month. Its first actions included testing moving military vehicles. The tests were likely meant to keep Ukrainian forces focused on the country's northern border so it couldn’t move all of its troops to the heaviest fighting in the Donbas, according to the Daily Mail.

Lukashenko has stepped up his country’s military presence and its rhetoric toward Ukraine.

On Monday, Lukashenko said he was worried that Poland and NATO were aiming to carve up Ukraine to make it resemble its former shape.

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“What worries us is that they, the Poles and NATO, to come out and to help take western Ukraine like it was before 1939,” he said, according to Reuters.

Lukashenko’s claims echo accusations that Sergey Naryshkin, director of Russia’s Foreign Intelligence Service, made in April that the United States and Poland were “working on plans to establish Poland’s tight military and political control over its historical possessions in Ukraine.”