Ukrainian electronic warfare (EW) systems are so effective that Russian troops in the northern Kharkiv region are forced to try to establish wired communication to coordinate their actions, states operational-tactical group Kharkiv spokesperson Colonel Vitalii Sarantsev. According to him, Russian troops in the Kharkiv direction operate in small assault groups, numbering up to a motorized infantry squad. “These groups undergo initial training and are constantly reformed to carry out active operations. They have appropriate small arms, some protection, and electronic warfare systems. They try to…