1945
On 22 January, the 5th Amphibious Force got underway for the Marshall Islands and arrived off Kwajalein the 31st. This was the first of six important campaigns in which Rocky Mount played a significant role. Rear Admiral Turner directed operations from his flagship until Kwajalein was secured on 4 February.
Rocky Mount then became flagship for the task group which next took Eniwetok. On the 25th, she departed the Marshalls for Pearl Harbor and overhaul.
Vice Admiral Turner, now Commander of Amphibious Forces, Pacific, boarded Rocky Mount again, along with Lt. Gen. Holland Smith, USMC, Commander, 5th Amphibious Corps. The ship got underway 29 May as flagship for the "Joint Expeditionary Force" attacking the Marianas Islands. On 15 June she reached Saipan and directed initial landings which came under heavy mortar and rifle fire and air attack. After 24 days, organized resistance on the island ceased. Rocky Mount proceeded to Guam 20 July, and 4 days later sailed for Tinian.
Rear Adm. Forrest B. Royal broke his flag on board Rocky Mount in Pearl Harbor on 26 August. On 15 September she departed for Manus, and 1 month later sortied for the assault on Leyte, Philippine Islands, as flagship of the Amphibious Force Fleet. From 21 to 24 October she participated in shore bombardment, temporarily silencing enemy mortar fire which had damaged several beached LSTs. The ship then sailed for practice and drills in the Admiralty Islands and New Guinea.
Rocky Mount returned to the Philippines to participate in the Lingayen Gulf operation as flagship of Attack Group "Baker", 6 January 1945. The amphibious group was under frequent air attack from the enemy-held island of Luzon. For 5 weeks Rocky Mount acted as flagship, Lingayen Area Control Group. On 8 March she carried Lt. Gen. R. L. Eichelberger, Brig. Gen. White, and Maj. Gen. J. A. Dow and their staff to Santa Cruz Bank for landings on Zamboanga Peninsula, Mindanao. This ship observed and directed the assault for 2 weeks following her arrival on the 10th.
While anchored in Subic Bay, Rocky Mount welcomed Brig. Gen. L. Barham, RAA, 4 April, and departed for Morotai where all hands attended memorial services for the late President Franklin D. Roosevelt. On the 23d, Brig. Gen. D. A. Whitehead, RAA, and his staff embarked and Rocky Mount got underway for landings on Tarakan Island, Borneo. Maj. Gen. G. F. Wooten, RAA, came on board at Morotai on 3 May, and the ship began its second part of the Borneo Campaign - the assault from Brunei Bay. After naval shore bombardment 10 June, Rocky Mount landed troops, and 1 week later she was underway for Leyte. En route Rear Admiral Royal died from a heart attack 18 June.
Ten days after Japan surrendered, Rocky Mount reported to Commander, 7th Fleet, as his flagship. She embarked part of his staff at Manila 1 September, and then sailed for Jinsen, Korea, where, on the 10th, Adm. Thomas C. Kinkaid came on board and broke his flag. The next day the ship was underway across the Yellow Sea to the Yangtze River.
She led U.S. and Allied ships up the Yangtze and Whangpoo Rivers the 19th, and returned to Shanghai where they were met by cheering crowds along the shores.
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