 Complete the following phrase:  During the ensuing Siege of Sevastopol, Sultan Makhmud and Trekh Ierarkhov were both broken up in 1854, as the lack of funds due to the war prevented their repair. Many of the ships crews were sent ashore to assist with the citys defense, and Sviatoslav was converted into a hospital ship. The surviving members of the class were ultimately either scuttled there as blockships in 1854 to prevent the British and French from entering the harbor, as was the case with Selafail, Uriil, Arkhangel Gavriil, Varna, and Sviatoslav, or destroyed in the wake of the Russian collapse after the 