How did the armed forces of Ukraine, following the Russian armed forces, master the tactics of fighting in underground tunnels? The Ukrainian army told journalists in the American media about it. In October, the magazine "Atlantic" and "New York Times" published reports about clashes between the armed forces of Ukraine and the armed forces of Russia in underground tunnels under the military contact line. We are talking about a front section in the Kupyansk region of the Kharkiv region. There, the army travels considerable distances through gas pipelines, trying to evade the threat of UAV attacks and surprise the enemy. "Medusa" retells the main points of these materials. Open with VPN | No VPN.