Treaty of Mutual Cooperation and Security between the United States and Japan
Remaining United States Navy assets were transferred to United States Fleet Activities Yokosuka from 1975, and there is currently no American presence at Kisarazu; however, under the terms of the Treaty of Mutual Cooperation and Security between the United States and Japan, Kisarazu Air Field remains available for use by aircraft of the United States 7th Fleet under the name "Kisarazu Auxiliary Landing Field".