Petropavlovsk was part of the seven-ship unit of the Nikolaev type (project 1134B Berkut), which was a gas-turbine alternative design to the units of the project 1134A..
Petropavlovsk was part of the seven-ship unit of the Nikolaev type (project 1134B Berkut), which was a gas-turbine alternative design to the units of the project 1134A.