 Commanded by Vice-Admiral Shirō Takasu, the division set sail with the Aleutian Support Group on 28 May, at the same time that most of the Imperial Fleet began an attack on Midway Island (Operation MI).Afterwards, "Yamashiro" returned to home waters, where she stayed until August 1943; the next month, she became a training ship for midshipmen.In July 1943, "Yamashiro" was at the Yokosuka drydock, then was briefly assigned as a training ship on 15 September before loading troops on 13 October bound for Truk Naval Base, arriving on the 20th.