Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships from May 18, 1945. The overlay contains annotations regarding the Atoll Commander Majuro, Commander Task Group 94.1, Commander Task Unit 50.5.6, Commander 7th Fleet, Commander Task Group 73.4, Commander 5th Air Force, Task Group 52.1, Task Force 57, Commander Task Force 75, Task Group 73.5, British Royal Navy aircraft carrier HMS Victorious, aicraft carrier HMS Formidable, Japanese defense ship Daito Maru, navy transport ship Nissho Maru No. 18, special minesweeper SP MS No. 19, small craft Tamura Maru, destroyer Harutsuki, special minesweeper SP. MS. No. 20, coast defense vessel CDV No. 14, hospital ship Hikawa Maru, auxiliary storeship Hakurei Maru, transport vessel Hokkai Maru, ship Tare Maru No. 17, ship Kusea Maru No. 44, auxiliary transport Yasaka Maru No. 5, convoy Yaroy-43, ship Showa Maru No. 27, fishing boat Banshu Maru No. 3, gunboat Kiri Maru No. 2, ship Kuta Maru No. 1, cargo and passenger ship Aki Maru, ship Seloran Maru, ship Erdeede Go, ship Canopas Go, special submarine chaser SSC No. 42, torpedo boat Karu Maru, torpedo boat Kiji Maru. Significant events visible on the map include the Nissho maru striking a mine, the Commander 7th Fleet sinking a large auxiliary cargo ship and the Showa Maru being sunk.