On 18 October, the APD entered Leyte Gulf. The next day, UDT 10 went ashore on Red Beach in the northern assault area between Palo and San Ricardo. Through the morning, Rathburne provided covering fire and shortly after noon pulled the team off the beach. On 20 October, she covered the landings, and then shifted to fire support off the Dulag beaches. Detached, soon after her arrival, she began messenger and passenger runs between the northern and southern transport areas.
