The knowledge of fighters is useful for modernizing hardware and creating new models, Rostec Deputy CEO Nikolay Volobuyev said MOSCOW, June 23. /TASS/. Russian specialists are enhancing the T-90M Proryv main battle tank based on feedback from troops on the battlefield and have upgraded its electronic warfare systems over the past few months, the press office of the state technology corporation Rostec told TASS. "The T-90 is a well-known tank. It has become more powerful with enhanced armor and