Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships on June 14, 1945. The overlay contains annotations regarding the USS Sea Devil (SS-400), Commander of the 5th Air Force, Commander of Submarines in the Pacific, Commander Task Group 73.4, Task Group 111.2, Air Fleet Wing 18, plane 54 flight 56, plane 62 flight 465, plane 92 flight 464, and Japanese hospital ship Eisan Maru (Hikawa), steam trawler/picket boat Nitto Maru, cargo ships Kashiwa Maru, Asama Maru, Kitagami Maru, and Matsu Maru, submarines HA-107, I-157, I-165, and RO-63, Chi 2nd Phase Convoy, minesweeper Banshu Maru, destroyer Harutsuki, aircraft carrier Kaiyo Maru, gunboat Katsura Maru, torpedo boat Kiji Maru, patrol boat Kyowa Maru, tanker Nanshin Maru, SubChasers 2 and 3, auxiliary submarine tender Bogota Go, auxiliary ship Hakusa, Radio Wahiawa, shuttle boat 407, and ships Hokuryu Maru, Shimire Maru, and Tatsugi Maru. Significant events visible on the map include Hokuryu Maru sinking, shuttle boat 407 sinking, and canceling a fighter strike on Nagoya.