Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships from August 25, 1944. The overlay contains annotations regarding the USS Picuda (SS-382), USS Redfish (SS-395), USS Spadefish (SS-411), 14th Bomb Command, Commander 7th Fleet, Commander Air Force 13, Commander Air Force 5, Commander Task Force 17, Japanese seaplane tender Kiyokawa Maru, supply ship Nanko Maru No. 8, transport Manshu maru, cargo ship Tachibana Maru, auxiliary ammunition ship Kotoku maru, minesweeper AM No. 5, Destroyer Division 27, auxiliary ship Manshu Maru, destroyer Shigure, convoy Tama 23, destroyer Yunagi. Significant events visible on the map include the Nanko Maru No. 8 being torpedoed and sunk, the 13th Bomb Command hitting Palau, the Kotoku Maru being torpedoed, the USS Picuda sinking an auxiliary cargo ship, the USS Redfish sinking two cargo ships, the Spadefish damaging an oiler and the Yunagi being torpedoed.