Pokrovsky Alexander Mikhailovich (born November 27, 1952 in Baku) - writer. In 1970 he entered the Caspian Higher Naval School named after S.M. Kirov at the Faculty of Chemistry, which he graduated in 1975 with a degree in radiochemistry. By distribution, he got to serve in the Northern Fleet, where since January 1976 he became the head of the chemical service of the submarine. During his service on nuclear missile submarines, he participated in twelve military campaigns. In 1985 he was sent to cut a boat in Severodvinsk, from where in 1986 he was transferred to the city of Leningrad to the 1st Central Research Institute of the Ministry of Defense of the Russian Federation.