A museum in a diesel-electric submarine that operated from 1968 to 1999, and was built (B-413) in Leningrad and was launched in September 1968 AD, and during 30 years, the submarine served the Northern and Baltic Fleet, and was converted into a museum at the beginning of the year 2000 AD, and the ship still retains its structure, equipment and devices that have been used for 30 years, and the complex mechanical system will impress you For this submarine, you can also tour the main engine room where you will discover the amazing and minute details, and this museum is suitable for young and old alike, and do not forget to take pictures and memorial videos so as not to forget this wonderful visit .