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Celebrating the Past, Present and Future of Navy Cryptology

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Snell’s Law (Law of Refraction)

Snell’s Law, also known as the law of refraction, describes how light rays change direction when they pass through the boundary between two different transparent media, such as air and glass. The law is named after the Dutch scientist Willebrord Snellius, who first formulated it in 1621.

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Honoring and Remembering CTOCM(NAC) Robert R. “Red” Adams

CTOCM(NAC) Robert r. “Red” Adams, USN, (Ret.)
December 25 1937 – January 15 2015

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Remembering CTSA William E. Briley, USN, Killed in the NSGA Kami Seya Fire

CTSA Briley is buried at Westlawn Cemetery in Farmersburg, Indiana.

USS Liberty FOIA lawsuit (Update)

The next action in the USS Liberty FOIA lawsuit will be a hearing before a three judge panel of the US Court of Appeals for the 9th Circuit in the Seattle courthouse.

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USS Pueblo: Listing of the Valiant Crew Members, U.S. Heroes, by name, Part 19 of 19

The following individuals served aboard the USS Pueblo (AGER-2), which was captured by North Korean forces on January 23, 1968. The crew endured imprisonment and torture during their 11 months in captivity. All were awarded the Prisoner of War Medal, and all military personnel were additionally authorized the Armed Forces Expeditionary Medal and the Combat Action Ribbon. Fireman Duane Hodges listed below was killed on the day the Pueblo was captured.

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USS Pueblo: The Walker Spy Ring – America’s Most Devastating Betrayal , Part 18 of 19

What no one in the cryptographic community realized at the time was that a U.S. Navy radio specialist, John Anthony Walker Jr., had recently begun selling classified codes to the Soviet Union. In late 1967, Walker walked into the Soviet embassy in Washington, D.C., offering to sell a wide range of top-secret documents related to Navy operations. The Soviets accepted without hesitation. In early January 1968, just before the USS Pueblo was seized, Walker left a package of KW-7 encryption codes at a dead drop in the Virginia countryside.

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