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- Russia's most advanced tank is likely too costly to use in Ukraine, the head of a top defense firm said.
- The new T-14 Armata is estimated to cost between $5 million and $9 million.
- Russia previously said it deployed the tank in combat, but Ukraine pushed back on this.
Moscow is unlikely to be using its new tank, the T-14 Armata, on the battlefield in Ukraine because the system is far too costly, the head of a Russian state-owned weapons manufacturer said on Monday.