"kaskaskia" was relieved of fueling duties off okinawa, only to be summoned for another important service. she departed ulithi 3 july to refuel units of the carrier task forces, launching raids on the japanese islands of honshū and hokkaidō. when the japanese surrendered, "kaskaskia" steamed into tokyo bay 10 september with ships of the occupation forces. she continued refueling operations in japan, china, and formosa for an entire year before arriving san pedro 28 september 1946.