Commander Fleet Activities Yokosuka Logo Commander, Navy Region Japan  |  Commander Fleet Activities Yokosuka
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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

  • YOKOSUKA, Japan (Jan. 13, 2020) – Approximately 10 Yokosuka Sailors, along with their family members and friends, participated in Navy Café, an event hosted by Commander, Fleet Activities Yokosuka (CFAY) Public Affairs Office community relations team for the Yokosuka locals and U.S. military personnel to exchange their cultures and languages. The event also included a short tour on the base. (U.S. Navy photo by Ryo Isobe)
  • Yokosuka, Japan (Jan. 17, 2020) - Commander, Fleet Activities Yokosuka (CFAY) Celebrates MLK Day with a 5K run. CFAY provides, maintains, and operates base facilities and services in support of U.S. 7th Fleet's forward-deployed naval forces, 71 tenant commands, 27,000 military and civilian personnel and their families. (U.S. Navy photos by Michael Thomas and Taylor Curry)
  • YOKOSUKA, Japan – Commander, Fleet Activities Yokosuka (CFAY) Multicultural Committee hosted an observance for Martin Luther King, Jr., in the Chapel of Hope, Jan 17. Operations Specialist Petty Officer Second Class Tyrone Ore recited King’s entire famous last speech, “I’ve Been to the Mountaintop,” purely from memory. King delivered the speech on April 3, 1968, and he was assassinated the following day.
  • YOKOSUKA, Japan (Jan. 22, 2020) Commander, Navy Region Japan (CNRJ)/Commander, Fleet Activities Yokosuka (CFAY) firefighters use the Jaws of Life, a hydraulic cutting tool, to breach the roof of a vehicle during a training exercise, in collaboration with the CFAY’s Traffic Court.
  • YOKOSUKA, Japan - Commander, Fleet Activities Yokosuka celebrates the newly renovated USO at its reopening ceremony, next to the Fleet Recreation Center, Feb. 7, 2020.
  • YOKOSUKA, Japan (Feb. 5, 2020) –Cmdr. Terry McNamara, chief staff officer of Commander, Fleet Activities Yokosuka (CFAY), cuts a ribbon to celebrate the opening of its newest interactive shooting simulator, the MILO Range, a weapons simulator that offers customizable simulations to deliver safe and realistic training options. (U.S. Navy photo by Mass Communication Specialist 2nd Class Tyler R. Fraser/Released)
  • YOKOSUKA, Japan (Feb. 18, 2020) - Two-time Olympic gold medalist, De'Hashia Tonnek
  • YOKOSUKA, Japan (Feb 24, 2020) - Nearly twenty Sailors and civilians from Commander, Fleet Activities Yokosuka (CFAY) and tenant commands took part in street cleaning activities with host nation nationals as part of a community relations program. (U.S. Navy photo by Ryo Isobe)
  • Master Chief Master-at-Arms David Aguilera, CFAY Negishi and Ikego detachment command liaison, retires after 30 years of service. (U.S. Navy photo by Mass Communication Specialist 2nd Class Tyler R. Fraser/Released)
  • Capt. Rich Jarrett, Commander, Fleet Activities Yokosuka (CFAY) commanding officer, and children from the Ikego detachment participate in a ribbon cutting to mark the opening of the teen center at Ikego, March 3.
  • YOKOSUKA, Japan (Feb. 28, 2020) – Army Pvt. Zaquis Freeman and Army Pfc. Antonio Gonzales, assigned to the 88th and 901st Military Police Detachments in Camp Zama, attempt to apprehend a simulated active resistor during the inaugural Guardians Challenge Competition, a joint force competition to test the capability and skills of U.S. Forces Japan military police held onboard Commander, Fleet Activities Yokosuka (CFAY), Feb. 28.
  • Amidst a shelter-in-place, Commander, Fleet Activities Yokosuka hosted a socially-distanced graduation ceremony for the Kinnick High School senior class.
  • CFAY Barbershop Reopens following a lengthy closure due to COVID-19
  • Runners dash through color during the 2020 Firecracker Color Run as part of the Moral, Welfare and Recreation’s Independence Day celebratory festivities, here at CFAY! Photo by Taylor Curry.
  • Commander, Fleet Activities Yokosuka Port Operations supported USS Blue Ridge (LCC 19) to return to CFAY after a five-month patrol throughout the Indo-Pacific.

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 Control CenterVisitor Information | Welcome Aboard

High Resolution PDFs For New Main Base Shuttle Bus and Ikego HTW Buses

Main Base Shuttle Bus Route

Ikego HTW Route A.M.

Ikego HTW Route P.M.

Ikego HTW Route Ikego 

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


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