On 3 May, "Suamico" got underway for the Marshalls. She anchored at Majuro on the 7th. She operated in the Marshalls until getting underway on 19 June for fueling at sea operations. The 23 June found her within sight of Saipan, where the landings were proceeding. At noon, while she was fueling the battleship , two Japanese suicide dive bombers attacked the escort carrier about 2,000 yards off the oiler's stern. The enemy peppered the carrier with bombs and water shot skyward. The steady fire from the American ships, however, forced the Japanese to retire.