 Yi, meanwhile, knew exactly where Shimazu was after receiving reports from scouts and local fishermen.The Joseon fleet consisted of 82 "panokseon" multi-decked oared ships.The Ming fleet consisted of six large war junks (true battle vessels most likely used as flagships) that were driven by both oars and sails, 57 lighter war ships driven by oars alone (most likely transports converted for battle use), and two "panokseon" provided by Yi.