MyCFAY Weekly


Welcome to Fleet Activities Yokosuka

An installation community that attracts the best Sailors and civilian employees to serve in Japan with their families.

Imagery from CFAY

  • 200108-N-NB144-0058 YOKOSUKA, Japan (Jan. 8, 2020) Military working dog handlers from the U.S. Army, Navy, and Air Force, come together for a day of joint training with their K-9s at Commander, Fleet Activities Yokosuka, Japan. MWDs fill an important role at the base in which they are assigned to, protecting government assets by performing weapon, bomb, and drug detection throughout the installation. (U.S. Navy photo by Taylor Curry)

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 | Guest Pass Policy Visitor Information | Welcome Aboard 

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

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