. "Rostislav IV"@en . . "Rostislav IV is a Praetorian-Class heavy battleship of the sub-class Honder in service with the Eteno Imperial Navy. It is also the flagship of the 504th Expeditionary Fleet under the command of Vice Admiral I Szecby Tarasov. Rostislav IV has four sister ships: Honder, Concord II, Bodenicharov and Helgoland."@en . "Rostislav IV is a Praetorian-Class heavy battleship of the sub-class Honder in service with the Eteno Imperial Navy. It is also the flagship of the 504th Expeditionary Fleet under the command of Vice Admiral I Szecby Tarasov. Rostislav IV has four sister ships: Honder, Concord II, Bodenicharov and Helgoland."@en .