Russian invaders have reduced the intervals between attacks on Ukraine as they are trying to find weaknesses in the Ukrainian air defense system, according to Ilia Yevlash, spokesperson for the Air Force of the Ukrainian Armed Forces. “The shelling is constant. The enemy has recently focused its attention and is trying to attack our infrastructure facilities quite heavily. This is due to various factors,” he says. According to him, the Russians are constantly changing their tactics. “Among other things, the enemy is constantly changing tactics, trying to find weaknesses in our air defense syst…