Both Humboldt and Tanahmerah were developed with naval base, ammunition, repair and fuel facilities. The facilities in the area were designated Base G. Several higher headquarters were moved to the area, including those of the Sixth Army, Eighth Army, Fifth Air Force, and Seventh Fleet.
Both Humboldt and Tanahmerah were constructed with naval bases, ammunition depots, repair facilities, and fuel storage. The region was designated as Base G, and several senior military headquarters, including those of the Sixth Army, Eighth Army, Fifth Air Force, and Seventh Fleet, were relocated to the area.