 While the troops ashore fought to secure the island and fleet units battled Japanese kamikazes offshore, "Saranac" carried out underway replenishment off the island as part of the logistics support group, until getting underway on 12 April to refill her tanks at Ulithi.She rejoined the underway replenishment forces off Okinawa on 22 April and provided continuous services until sailing once again for Ulithi on 8 June.On her return to Okinawa on 3 July, she anchored at Kerama Retto and provided fuel to ships there.