Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships from August 2, 1945. The overlay contains annotations regarding Japanese submarines I-147, I-158, I-353, I-366, I-367, and Midget SS number 102, destroyer Harutsuki, escort vessel Yashiro, USS Brown (DD-546), USS Tucson (CL-98), Coastal Defense Vessel number 16, Commander-in-Chief Pacific Fleet Advanced Headquarters, Commander of 3rd Fleet, Task Group 94.1, Far East Air Force (FEAF), Task Unit 34.8.2, Task Force 37 and 38, Submarine Pacific Fleet Force, Fleet Weather Center, and Radio in Guam. Significant events visible on the map include USS Tucson and Commander of the 3rd Fleet executing Plan B, unless delayed, Plan A not being executed, and no patrolling east of Okinawa from August 3rd to the 6th, I-147 and I-367 patrolling between Marianas and Okinawa, I-158 and I-366 patrolling area north of Palau, I-353 patrolling area midway between Leyte Gulf and Okinawa, Midget SS #102 departing, Submarine Pacific Fleet Force attacking Hachioji, Toyama, Nagaoka, and Mito, Task Force launching position delayed by weather, Task Force 37 and 38 remaining temporarily to avoid typhoon, Task Unit 34.8.2 bombarding Nobeoka, Okinawa air striking south Kyushu and Task Force 93 striking Kobe, Nagoya being cancelled due to weather, and 8-B24s striking Kataoka Naval Base.