Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships on June 30, 1945. The overlay contains annotations regarding United States liberty ships SS Thomas Howell (AK-2091) and SS Richard Yates (AK-454), victory ship SS Park Victory, submarines USS Gabilan (SS-252), USS Capitaine (SS-336), and USS Piranha (SS-389), commander task force 94, 7th Fleet, 9th Fleet, Supreme Commanding General (OP SUM COMGEN 10), Commander in Chief of the East Indies (CINCEI), Japanese hospital ship Takasago Maru, submarines I-13, I-14, HA-103, I-156, I-162, I-371, and I-351, merchant ships Ryuho Maru, Setagawa Maru, Nashin Maru, Nansei Maru, Shonan Maru, and Takunai Maru, carrier ship Kaiyo, and destroyer Harutsuki. Significant events visible on the map include SS Thomas Howell firing on periscope, AH Takasago Maru Sighted Cs. 110 Spd 16, Ryuho Maru being attacked and damaged by airplanes, a plane sighting CA-DD 5 MV off Shanghai, and a Japanese convoy moving.