Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships from February 10, 1945. The overlay contains annotations regarding USS Pargo (SS-264), USS Batfish (SS-310), Commander Task Force 58, Commander 73rd Bomb Wing, Commander of the 7th Fleet, 5th Bomb Command, Commander of the 5th Air Force, Commander of Naval Group China, Commander Task Group 73.7, Commander Task Unit 73.8.2, Commander Task Group 73.6, Commander Task Unit 73.2.1, Psychological Leaflets, 13th Bomb Command, Commander of 21st Bomb Command, Commander of the 73rd Bomb Wing, Commander Task Force 93, Commander of Mindoro Air Group, Commander of the Allied Armed Forces, Japanese IJN Convoy B, IJN convoy HI-93, submarine chase SC No. 35, IJN Carrier Division No. 4, Destroyer Squadron No. 2, IJN Transport No. 87, submarine chaser SC No. 41, convoy HI-91, submarine chaser SC No. 20, auxiliary submarine chaser Nitto Maru No. 18, convoy UIT-24, submarine RO-112, submarine RO-46, submarine RO-113, convoy IH-68, cargo ship Waka Maru, auxiliary cruisers Hokoku Maru, auxiliary gunboat Shoei Maru No. 2. Significant events visible on the map include the IJN Transport No. 87 being attacked by torpedoes, the Commander Task Group 73.6 sinking an IJN sea truck, the USS Batfish sinking an IJN submarine and psychological leaflets being dropped over several locations.