Although some histories state that Ichiki's regiment was at Truk, Raizo Tanaka, in Evans' book, states that he dropped off Ichiki's regiment at Guam after the Battle of Midway.
Walaupun beberapa sejarawan menyatakan resimen Ichiki sedang berada di Truk, Raizo Tanaka, dalam buku karya Evans mengatakan bahwa ia menurunkan resimen Ichiki di Guam setelah Pertempuran Midway.