CRYPTOLOGY WWII NAVAL RADIO STATION     -- . .-.. -.-. --- -- . - --- .-.-.- .-.-.- .-.-.- .. ... .-.. .- -. -.. - --- .-- . .-. .----. ... .-.-.- .-.-.- .-.-.- ..-. --- .-. - .-- .- .-. -.. .-- --- .-. .-.. -.. .-- .- .-. .. .. -. .- ...- .- .-.. .-. .- -.. .. --- .... .. ... - --- .-. -.-- --- -. -... .- .. -. -... .-. .. -.. --. . .. ... .-.. .- -. -.. --..-- .-- .- ... .... .. -. --. - --- -. .-.-.- .-.-.- .-.-.- .-.-.- .-.-.- ..- -. .. - . -.. ... - .- - . ... -. .- ...- .- .-.. .-. .- -.. .. --- ... - .- - .. --- -. ..-. --- .-. -.-. . -. - .-. .- .-.. -.-. --- -- -- ..- -. .. -.-. .- - .. --- -. ... -.-. --- -- -- .- -. -.. ..-. --- .-. .--. .- -.-. .. ..-. .. -.-. ..-. .-.. . . -

United States Army Signal Corps Mission: Support for the command and control of combined arms forces. Signal support includes Network Operations toward information assurance, information dissemination management, and network management, including management of the electromagnetic spectrum. Signal support encompasses all aspects of designing, installing, data communications networks that employ single and multi-channel satellite, tropospheric scatter, terrestrial microwave, switching, messaging, video-teleconferencing, visual information, and other related systems. They integrate tactical, strategic and sustaining base communications, information processing and management systems into a seamless global information network that supports knowledge dominance for Army, joint and coalition operations.

Office of Chief Of Naval Operations, was the United States Navy's signals intelligence and crypt analysis group during World War II. Its mission was to intercept, decrypt, and analyze naval communications from Japanese, German, and Italian Navies. The major effort were directed towards Japan, to breaking the early Japanese “Blue” book fleet code. Thereby, making possible to intercept and with High Frequency Direction Finder sites in the Pacific, Atlantic, and continental United States, including a Japanese telegraphic code school for radio operators in Washington, DC.

Baibridge Island Naval Communication Station
WWII Naval Activities:

  • Supplementary Operational Station School,
  • Supplementary Station Direction Finder/DF School,
  • Supplementary Training School for Specialized Radio Interception,
  • Supplementary Naval 13th District Puget Sound Radio Communication,
  • Secret Naval Intelligence Radio Activities,
  • Radio Signal Intercept Post,
  • Radio Direction Finding Post,
  • Pacific Fleet Communications,
  • Naval Radio Transmitting Battle Point Station Staffing,
  • Rich Passage "Naval Mancester Ant-Submarine Net Depot Anchor",
  • Rich Passage Naval Marine Traffic Radio Contol Tower,
  • Not Limitied to WWII Naval Station Acitivities.

    Baibridge Island Naval Communication Station
    WWII Naval Interception Activities:

    On Oct. 27, 1941, Fort Ward incetercepted a Japanese Agent "Sato" Radio Communication, sent from Seattle, Washington, describing warship being repaired at Bremerton, Washington, Puget Sound Naval Shipyard.

    On Nov. 19, 1941, 'S" Station intercepted Japanese plans for the famous “winds” code in which a weather forecast would signal the end of diplomatic relations.

    Then at 1:28am PST December 7, 1941, the last of a series of 14 messages being sent over the previous 18 hours was intercepted by the "United States Navy Communications Intercept Station" at Fort Ward, Bainbridge Island, Washington, a radio message by the Japanese government directed to the Japanese ambassador in Washington, DC. This significant Japanese radio message presented Fort Word Naval Radio Station a place in WWII History and Historical Naval Landmark.

    Baibridge Island Naval Communication Station
    WWII Naval Intelligence Activities:

    At Fort Ward Naval Intelligence by 1:37am PST a dispatch was forwarded by RTTY/Radio teletype to Washington, DC, at 11:30am EST, General George C. Marshall, Army chief of staff instantly recognized the code as “purple,” the Japanesse cryptographic system. During this time the Japanese Navy Aircraft Carriers launched aircraft were in flight 200 miles north of Pearl Harbor. Marshall dispatched an alert to Pearl Harbor, Honolulu, Hawaii warning of the Japanese raid due time at 7:30am, HST reached Pearl Harbor Naval Communication Center at 7:33am HST, which was not immediately delivered to Pearl Harbor Commanders.

  • United States National Archives
  • United States Department of Navy
  • United States Army Signal Corps
  • Office of Naval Intelligence
  • Jean Leonie Calliet Alloin Hoffman, Narratives
  • Seattle Post Inteligencer Photography Archives
  • Seattle Museum Of History and Industry Research Archives
  • Fort Lewis Army Museum History
  • Lewis Army Museum
  • National Museum of the United States Navy
  • Seabee Museum and Memorial Park
  • Naval History and Heritage Command


    Bainbridge Island, in the pre war years, was primarily isolated rural agriculture community and 2 major lumber mils at Port Madison and Port Blakley, inducing a ship yard in Eagle Harbor and hosting an Amry Coastal Artillery Defense Base till 1927.

    However, During 1935-1938, with possibility of world war, the United States Navy, having knowledge of the strategic location of the Bainbridge Island, Washington Army Artillery Base, in Puget Sound, began testing for radio communication site suitable for a radio communications listening post for the Pacific Ocean and local naval station radio traffic for fleet operations and intelligent reports onJapanesee Radio Frequencies.

    In 1938 Addition Property was acquired at Battle Point for a Transmitter Tower Station and Navel acquired Fort Ward from the Army Coast Artillery Defense, with additional property to expanded the naval communications station for radio recieving building and towers at a cost of $3,190,104.00

  • Office of Chief Of Naval Operations
  • Signals Intelligence
  • Signal Intelligence Service
  • Fort Ward Washington
  • Intelligence Pearl Harbor
  • Codebreakers In World War II
  • Naval Codebreakers
  • Silent War against the Japanese Navy
  • Station HYPO
  • Morse Code
  • Naval Cryptologic Veterans Association
  • Naval Electronics Training Program
  • Radio Materiel School
  • Andrew M. Gleason, Codebreakers
  • National WWII Museum
  • Radionmen
  • Chiefs of Naval Operations
  • Information Systems Technician
  • Fort Ward Sunny Hill Farm
  • Navy Communication Stations
  • Naval Radio Traffic Stations
  • Navy History of Communications-Electronics
  • Naval Training Center
  • HYPO Fort Ward "S" Station
  • Bainbridge Island Japanese Evacuation
  • Japanese Incarceration
  • Fort Ward Navy 1938/1958 Decommissioned Images
  • Commander, Navy Installations Command
  • United States Naval Districts
  • 13TH NAVAL DISTRICT Organization Chart
  • 13TH NAVAL DISTRICT Admiral's House (Quarters A),
  • 1939 Naval Districts
  • Records of Naval Districts and Shore Establishments
  • Radio Communications 13th Naval District
  • 13th Naval District Archive Documents
  • Naval District Washington
  • 1940 Kitsap County Census
  • Hall Brothers Ship Yard

  • World War II Years Puget Sound Rich's Passage Naval Defenses
    Anti-Submarine Net Operations

    From 1940's to 1950's, the Naval Manchester Fuel Depot included Anti-Submarine Net Depot Activities between Fort Ward Naval Communications Station. Manchester Fuel and Net Depot functioned to construct, repair, and store submarine nets, made of steel cable and suspended from gate vessels across strategically important Rich Passage Waterway on Puget Sound, Washington. Fort Ward, provide Bean Point Cable Anchor and Marine Radio Traffic Control Tower, controling all maritime traffic in/out of Rich's Passage.

    Cold War Years Central Puget Sound Naval Station Defenses
    Army Anti-Aircraft Artillery/AAA

    Between 1952 and 1957, the army's anti-aircraft artillery/AAA gun program established an encampment at Winslow, Yeomalt Point, Bainbridge Island, Washington. Encampment had Four 90mm and four 120mm, with troop barracks, support buildings and other armored vehicles (Fort Lawton, Seattle, Washington Army's Anti-Aircraft Artillery Headquarters). Bainbridge Island had two Naval Reservations, Bean Point, Fort Ward Radio Communications Station and Battle Point Radio Transmitting Tower Station. Including a privately owned ship repair facility (Winslow Marine Railway and Shipbuilding Company, aka Commercial Ship Repair of Winslow) in "Madrone", aka Winslow, Eagle Harbor, Bainbridge Island.

    Cold War Army Ajax Missile Base, Naval Defense
    Bainbridge Island, Washington

    1956 to 1960 Nike Ajax serve as a powerful Naval Station Defense System. Eagledale, Bainbridge Island Aemy Radar Base and Strawberry Hill guided Nike Ajax missiles launch site (Fort Lawton Control Center) had 20 to 30 Ajax missiles having a range of 30 miles and an effective altitude capable to known enemy aircraft. Ajax Missile had a solid rocket booster and liquid fuel sustainer (Each missile had three high explosive warheads). The missiles were stored in underground magazines and brought to the surface by an elevator and placed on launchers.

    In 1971, the 90-plus acres Battle Point Transmitter Station was declared by the Navy as surplus property and on May 5, 1972 became the property of the park district. In the summer of 1972, the 800-foot-high steel transmitter tower 2 guide cables were cut on south side of Battle Point Station. The 311 tons of steel tower suddenly was pulled forward, with screeching sound and cables fly freely in the air as metal twisted, as it impacted the ground with a thud impact with sections of the tower imbedded in ground. The lens was cracked on impact, found to be not salvageable. The other towers 2 base feet were cut with acetylene torch and bent northward, then impact with ground. Russell Trask, Louis Alloin and other salvage teams, started cutting up sections and loading the steel on to trucks, for shipment to old shipyard in Eagle Harbor to be recycled, by Bainbridge Marine Services/Waterfront Developer, for used construction and ship repair material.


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    Intent of Research on Fort Ward, Bainbridge Island, Washington Historical Naval Radio Communication/HYPO Radio Station is to clarify the history and solve the many discrepancy that exit.

    Purpose of Research is to certify the historical evidence.

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