 Resuming her work with the Base Force, United States Fleet, from mid-June 1938, "Antares" operated principally out of San Pedro, California, but later expanded her area of operations to the Hawaiian Islands and changed her base to Pearl Harbor.On 30 November 1940, the ship was reclassified to a general stores issue ship, AKS-3.During 1941, "Antares" operated between Pearl Harbor and the U.S. West Coast (San Pedro, Mare Island Navy Yard, and San Francisco, California), and Pacific islands such as Palmyra and Canton.