Immediately, she served in the Marshall Islands Operations, accompanying the aircraft carrier USS Gambier Bay to newly won Majuro.

She returned to Pearl Harbor to prepare for the Mariana Islands Operations, during which she escorted heavy bombardment ships as well as conducting fire support missions of her own, during the invasions of Saipan, 15 June, and of Tinian.

She then joined the fast carrier task forces of the Fifth and Third Fleets, ranging the western Pacific for strikes which supported the assaults on Iwo Jima and Okinawa.

On 15 July 1945, Norman Scott joined battleships Missouri, Wisconsin, and Iowa and destroyers Remey and McGowan in attacking the seaport city of Muroran.

After supporting the occupation of the Japanese naval base at Yokosuka, Norman Scott returned briefly to Okinawa, then proceeded to the west coast, arriving for Navy Day (27 October) celebrations at Tacoma, Washington.