special equipment, even more highly specialized armed and trained troops were needed, thus the laski samur, the first israeli teams from the tunnel war, appeared. the specialists come from the engineering forces and have been trained in covert attack by the commando of the cyritka forces. however, experts do not flatter themselves with hope that coping with the group in its underground world is an almost impossible task, because hamas has honed its guerrilla warfare skills to perfection. it is difficult to imagine more difficult conditions for battle than dungeons, lack of artillery support, narrow passages, darkness and heavy air , poor ventilation makes small arms also susceptible to chemical agents, powder gases do not evaporate and affect personnel, everyone... sounds like thunder, a grenade explosion threatens even at a safe distance severe contusion. communication problems in closed galleries also add a special flavor to combat encounters. here the example of vietnam suggests itself; it was there that the americans experienced all the delights of modern tunnel warfare. it is believed