Three more heavy cruisers and one light cruiser were subsequently lost. Four light cruisers and 32 destroyers were sunk. Cruisers and destroyers and Fly-class gunboats also patrolled. The Russian navy lost all their battleships and most of its cruisers and destroyers. The fleet was to consist of at most six battleships, six cruisers, and twelve destroyers. The convoys departed under the protection of British cruisers and destroyers. The Japanese had two heavy cruisers, two small light cruisers, and six destroyers. The Americans had four of the new cruisers and eight destroyers. The line between U.S. Navy cruisers and destroyers blurred with the . There were also to be 38 light cruisers, and 144 torpedo boats. The firepower was claimed to be equivalent to 80 light cruisers or 200 destroyers. "Yorktown" was being screened by two cruisers, and and four destroyers. The Japanese force included five heavy cruisers, two light cruisers, and one destroyer. Following them were two armoured cruisers. These are powerboats described as "luxury motor cruisers" by Beneteau.