コッソル水道
On 23 April, she reached Pearl Harbor and reported for duty with the Service Force, Pacific Fleet. After completing voyage repairs and loading aviation gasoline, "Tolovana" stood out of Pearl Harbor on 28 April. On 9 May, she entered the lagoon at Ulithi Atoll in the Western Carolines and reported for duty with Service Squadron 10. Three days later, she returned to sea bound via Kossol Roads in the Palaus to Leyte Gulf. "Tolovana" discharged the aviation gasoline portion of her cargo at Kossol Roads on 14 and 15 May and transferred her diesel oil to gasoline oilers at San Pedro Bay, Leyte, between 17 and 31 May.