 There, while submarines , , , , , and were placed in reserve commission, "Beaver" was reassigned to Submarine Squadron 4 (SubRon 4).For the next seven years, Beaver remained in Hawaiian waters, tending submarines during local operations and steaming occasionally to Wake Island, Midway, and French Frigate Shoals for deployment exercises.The tender also participated in every fleet exercise held in Hawaiian waters during the 1930s.