The officer corps in the Russian Navy in May 1910

The American Embassy at St. Petersburg, Russia wrote on 29 September 1910 to the Secretary of State at Washington, USA that in May the entire fleet numbered 9 admirals, 16 vice admirals, 23 rear admirals, 155 captains first class, 216 captains second class, 43 lieutenant captains, 176 over-lieutenants, 528 lieutenant and 642 ensigns.

Source

Records of the Department of State Relating to Internal Affairs of Russia and the Soviet Union, 1910-29. Naval Affairs, Navy, Navy Vessels: 861.30 .(861.31 Naval Maneuvers; 851.32 Personnel); 861.33 Movements of Navy Vessels; 861.34 Equipment and Supplies): 861.39 - 861.345. Micro film 316 roll 92.