Naval Air Facility Atsugi is the largest Naval Air Facility in the Pacific. Atsugi houses both American and Japan Maritime Self Defense Force (JMSDF) units and has a mission to provide facilities, services, and material support for US Navy and Marine Corps aviation operations, as well as to provide logistic support for Carrier Air Wing Five.
Wikipedia article:
http://en.wikipedia.org/wiki/Naval_Air_Facility_AtsugiCategory:
air military facility naval