Borey-B-class SSBN R&D has to be redone says United Shipbuilding Corporation Friday, 23 March 2018 Army, Defence, Military, News, World The R&D of the concept of Borey-B-class SSBN of project 955B was accomplished but has to be redone, head of the United Shipbuilding Corporation Alexey Rakhmanov said. Read more The K-535 Yuriy Dolgorukiy, first Project 955 Borey-class SSBN Read more Tweet Subscribe to receive free email updates: