PRESIDIO OF MONTEREY, Calif. -- The Navy's Center for Information Dominance Detachment celebrated the U.S. Navy's 239th birthday by hosting the Navy Birthday Ball at the Monterey Convention Center Oct 5. The evening was punctuated by Navy customs and traditions including ceremonial toasts, recognition of the fallen, fine dining, singing, a cake cutting and a raffle. The evening concluded with dancing late into the night. The guest speaker was James Gilogy, cryptanalyst and code breaker. More than 400 Presidio of Monterey and Naval Postgraduate School sailors and guests along with DLIFLC personnel attended the event. The U.S. Navy was founded Oct. 13, 1775.

Official Presidio of Monterey Web site

Official Presidio of Monterey Facebook

Photo by Michael Beaton, Presidio of Monterey Public Affairs.

Cipher table from Charles J. Mendelsohn's copy of Cryptomenytices et cryptographiae libri IX by August, Duke of Braunschweig-Lüneburg (1579-1666).

Established heading: Mendelsohn, Charles J. (Charles Jastrow), 1880-1939

Established heading: August, Duke of Braunschweig-Lüneburg, 1579-1666

Penn Libraries call number: 652M Au45 Folio

Penn Libraries catalog record

PRESIDIO OF MONTEREY, Calif. -- The Navy's Center for Information Dominance Detachment celebrated the U.S. Navy's 239th birthday by hosting the Navy Birthday Ball at the Monterey Convention Center Oct 5. The evening was punctuated by Navy customs and traditions including ceremonial toasts, recognition of the fallen, fine dining, singing, a cake cutting and a raffle. The evening concluded with dancing late into the night. The guest speaker was James Gilogy, cryptanalyst and code breaker. More than 400 Presidio of Monterey and Naval Postgraduate School sailors and guests along with DLIFLC personnel attended the event. The U.S. Navy was founded Oct. 13, 1775.

Official Presidio of Monterey Web site

Official Presidio of Monterey Facebook

Photo by Michael Beaton, Presidio of Monterey Public Affairs.

It's amazing to think that a modern Smartphone, which is really a hand-held computer, has almost infinitely more computing power than was available to the Allies during WW2 at Bletchley Park

U.S. Intercept station No.1 Verdun, France ca. 1918.

U.S. Army Field Message Book,

Early US Army monitoring station.

National Cryptologic Museum, Fort Meade, Maryland

Colossus: The Secrets of Bletchley Park's Codebreaking Computers by Jack Copeland

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NSA National Cryptologic Museum - RACE KL-51 Cipher Machine

These were mounted on wheel banks

Bombe

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