She disembarked the Marines at Saipan on the 14th and remained there until 4 June when she began carrying men and cargo among the Marianas and Solomons. In July she carried reinforcements, the Army's 24th Infantry Regiment, to Kerama Retto. Back at Saipan when the Japanese capitulation was announced, 15 August, "Mellette" immediately took on men of the 6th Marine Division and sailed for Honshū. Arriving with the first wave of occupation troops, she disembarked the Marines at Yokosuka Naval Base on the 30th, witnessed official surrender in Tokyo Bay 2 September, and then returned to Saipan to take on men of the 2d Marine Division for transportation to Nagasaki.