 Their capture saved more lives than they cost by obviating the need to capture Truk, Kavieng, Rabaul, and Hansa Bay and thereby speeding up the Allied advance by several months.As an airbase, the Admiralties' value was great, for aircraft based there ranged over Truk, Wewak, and beyond.As a naval base, their value was greater still, as they combined a fleet anchorage with major facilities.