. The first of July at the Russian research submersible appeared in the fire, lost his life 14 submariners. About it have declared in the Ministry of defence. the incident occurred in Russian territorial waters. The unit was engaged in the study of near-bottom space and the bottom of the oceans in the interests of the Navy of Russia. PE occurred while performing bathymetric measurements. citizens have lost their lives from poisoning by combustion products. The Ministry added that to eliminate the fire was due to the selfless actions of the team. currently, the Unit is located in the naval base of Severomorsk. The proceedings of the tragedy is supervised by the chief of the Navy. <span style="color:darkgray