Russia’s latest Armata main battle tank is too expensive for use in the war against Ukraine, according to the manufacturer. “In terms of its functionality, it is far superior to existing tanks, but it is too expensive and therefore the army is unlikely to deploy it now,” Sergey Chemezov, head of the state armaments holding Rostec, told the state news agency Ria Novosti on Monday. The Armata T-14 was first presented to the public in 2015 at the annual military parade in Moscow. According to media reports, the tank has not yet entered series production due to various technical problems. The Russ…