as a priority customer. Alexander, based on his experience with Sissoi Veliky, persuaded the NTC to reinforce Rostislavs rudder frame and supervised installation of a backup control post deep under the conning tower. In 1903 Alexander was promoted to rear admiral and returned to his ship as a squadron commander. Rostislav served as the junior flagship of the Black Sea Fleet until September 1912. The 1900 season revealed grave problems with Rostislavs boilers. Black smoke from burning oil was more conspicuous than coal smoke. Uneven distribution of heat inside the boilers caused severe local overheating, buckling of fireboxes and sudden backdrafts. For three and a half months the boilers failed one by one, starting with small auxiliary power units and ending with the main boilers. Oil delivered by the Rothschild-controlled Russian Standard Oil was not at fault; similar problems were experienced by oil-fired ships of the Baltic Fleet. Repairs and alterations of the power plant continued until 1904, when the continuing boiler failures compelled the Navy to dispense with oil fuel and convert Rostislav to coal in 1904 and 1905. Each round of repairs and alterations added more weight to the already overweight ship, and by 1907 the ship's belt armor was completely below the waterline. The Tsentralka, the group plotting a mutiny of the Black Sea Fleet, decided on June 25, 1905, that the mutiny should start on Potemkin rather than Rostislav. On June 27, 1905, the day of the battleship Potemkin mutiny, Rostislav was sailing under the ensign of Vice Admiral Alexander Krieger. Nicholas II ordered Krieger and his superior, fleet commander Grigory Chukhnin, to destroy the rebels by force, but the admirals refrained from shooting. They let the rebels flee to Odessa and later to Romania. Krieger's own crew was on the verge of open mutiny. On July 2, 1905, a military council held on board Rostislav decided to moor the ships in Odessa, disconnect the engines from the propellers and let the enlisted men walk ashore at will. By the time of the Ochakov mutiny in November 1905, fleet morale had improved and Krieger did not hesitate to fire two 10-inch and fourteen 6-inch shells against the rebels. Exercises and casualties After the Battle of Tsushima the Imperial Navy concentrated on improving their gunnery skills and fire-control practices. In 1908 Alexei Krylov and Yevgeny Berkalov led Rostislav on an unprecedented long-range gunnery shoot: Rostislav fired 330