Assigned to the United States Pacific Fleet, "Moody" departed Boston, Massachusetts, on 9 February 1920, loaded torpedoes and ammunition at Newport, Rhode Island, and steamed via New York City, Guantanamo Bay, Cuba, and the Panama Canal to the United States West Coast, arriving at San Diego, California, on the 31st. She operated along the California coast through June 1920, and then departed San Francisco, California, on 1 July 1920 for Washington, where on 10 July 1920 she joined the cruise of United States Secretary of the Navy Josephus Daniels, United States Secretary of the Interior John B. Payne, and Admiral Hugh Rodman, Commander of the Pacific Fleet, to Alaska. On an inspection tour of Alaskan coal and oil fields and looking for possible fleet anchorages, the cruise touched at nine ports including Sitka, Duncan Day, and Juneau, and lasted for nearly a month. "Moody" returned to San Diego on 31 August 1920 to operate off the California coast in training and in battle exercises for two months. She put into San Diego on 10 October 1920, remaining there and decommissioning on 15 June 1922.