Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships from August 6, 1945. The overlay contains annotations regarding Japanese submarines I-363, I-366, and I-47, merchant tanker Nanko Maru, destroyer Harutsuki, merchant cargo ship Harada Maru, army cargo ship Kibitsu Maru, USS Intrepid (CV-11), USS Cotten (DD-669), USS Ross (DD-563), USS Marinette County (LST-953), Army Ultra Representatives, Coastal Defense Vessel No. 213, Commander Task Groups 94.1, 95.3 and 95.9, Consolidated B-24 Liberator Royal Army Air Force Liberators, North Pacific Force, Republic P-47 Thunderbolt Fighter Aircraft, Task Forces 37 and 38, T.I. Sum, and Task Unit 125.5. Significant events visible on the map include Task Unit 125.5, USS Intrepid, USS Cotten, and USS Ross being on Wake Fuddle, I-363 and I-47 patrolling between Marianas and Okinawa, I-366 patrolling north of Palau, Liberators striking Miyakonojō, North American B-25 Mitchell Aircraft striking Miyakonojō, North American Aviation P-51 Mustang and P-47s hitting Tokyo, North Pacific Force attacking 2 Russian ships, B-29s planning to attack Hiroshima, Kokura, or Nagasaki depending on the weather, Task Force 37 and 38 canceling strike on Busan, Sasebo, Kure, and Kyushu, Task Force 95 sweeping China coast, and the 509th Composite Group of the 20th Air Force dropping an atomic bomb on Hiroshima.