Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships on August 15, 1945. The overlay contains annotations regarding United States Commander of the 3rd Fleet (Com3rdFlt), Air Group 752, Commander of the Northern Pacific (COMNORPAC), Cruiser Division 22 (CruDiv 22), submarines USS Piper (SS-409), USS Torsk, (SS-423), USS Pargo (SS-264), USS Jallao (SS-368), USS Stickleback (SS-415), and USS Cavalla (SS-244), task forces 38, 30.8, and 92, Japanese submarines I-353, I-363, I-47, I-266, I-366, I-121, and HA-107, and coastal defense vessels Uku, 36, and 104. Significant events visible on the map include I-353 patrolling area midway between Leyte Gulf and Okinawa, I-363 and I-47 patrolling between Marianas and Okinawa, I-266 and I-366 patrolling north of Palau, CDV 36 being attacked by sub, USS Cavalla being attacked by an unidentified bomber, Task Force 38 launching and striking Tokyo and Nagoya, X-Day for Sakigake Operation, daily Bombing on shore installations in Kuriles by COMNORPAC, 16 Mitchells making an anti-shipping strike in the Sea of Japan, three Liberators and two Mustangs striking Tsuiki Airdrome, and Japan officially accepting Potsdam Declaration.