Soviet submarine tender Batur
Batur was a of the Soviet Navy. Development and design. The project of the submarine tenders was developed in the central design bureau "Baltsudoproekt" under the leadership of the chief designer V. I. Mogilevich. The main observer from the Navy was Captain 1st Rank G.V. Zemlyanichenko. The construction of the lead ship was completed in Nikolaev at the Black Sea shipyard in 1958. In total, seven tenders of project 310 were built for the Soviet Navy between 1958 and 1963. Don-class submarine tenders had a total displacement of and while they were empty. Their main  dimensions were a maximum length of , a beam of and a draft of . They had a two-shaft diesel-electric main power plant with a capacity of which provided the ship with a full speed of . The cruising range reached at a speed of and an endurance of 40 days. The crew consisted of 350 people, including 28 officers. They could serve four submarines of Project 611 or Project 613. The equipment of the floating base was capable of providing navigational and emergency repair of the hull, mechanisms and weapons and storage of 42 torpedoes in a special room. A  100-ton crane was housed at the bow of the ship. The defensive armaments of the ships consisted of four single-barreled artillery mounts B-34USMA and four twin installations ZIF-31 with the Ryf control radar, the sonar station was not provided. After modernization, on two ships, instead of two aft 100 mm installations, a take-off and landing pad was equipped for basing one Ka-25 helicopter. On the last floating base of the series, the Osa-M air defense missile system was installed. Construction and career. The ship was built at the Black Sea Shipyard in Mykolaiv and was launched  on 29 November 1956 and commissioned into the Black Sea Fleet on 28 March 1958. In 1960, she was transferred to the Pacific Fleet. She was renamed Kamchatsky Komsomolets on 12 March 1966. She was renamed PB-9 on 15 February 1992. She was decommissioned on 28 April 1998 and later scrapped.