Welcome to Fleet Activities Yokosuka

Supporting our Fleet - through services and facilities to forward deployed naval forces whenever and wherever needed.  Our challenge is to anticipate and provide fleet service and support needs on demand.Supporting our Fighters - by ensuring they have 100% access to the services and tools they need to succeed in professional and personal endeavors allowing them to focus on their mission. Supporting our Families - by meeting the needs of our active duty married and single Sailor, civilian, civil service, and contractor families across a broad spectrum of services to provide quality of life at home in Yokosuka.Supporting our Community - through strong partnerships between Fleet Activities, Yokosuka, and the Japanese community. A vibrant, good neighbor relationship is critical to sustained superior U.S. and Japanese international relations.

Installation Information

Fleet Activities, Yokosuka comprises 568 acres and is located 43 miles south of Tokyo at the entrance of Tokyo Bay and approximately 18 miles south of Yokohama. Yokosuka is on the Miura peninsula in the Kanto Plain region of the Pacific Coast in Central Honshu, Japan. CFAY is the largest overseas U.S. Naval installation in the world and is considered to be one of the most strategically important bases in the U.S. military.

* Gate Hours     * Phone Directory     * Getting Here     * Visitor Information     * Welcome Aboard 

Community Announcements / お知らせ

Computer Desktop Notification System (CDNS)

CDNS is short for Computer Desktop Notification System. CDNS is the system used by shore commands to
provide simultaneous emergency notifications to OneNet computer desktops, as well as home, work and
mobile email and telephones.

CDNS Registration Instructions:    English | 日本語

CDNS Registration Example            CDNS Registration Forms

Computer Desktop Notification System (CDNS) AtHoc Self Service User Guide (CAC Card Required)
コンピュータ･デスクトップ･通知システム（CDNS) セルフサービス･ユーザー･ガイド

Navy Region Japan

NAF Atsugi        NSF Diego Garcia        NAF Misawa        CFA Okinawa        CFA Sasebo