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Celebrating the Past, Present and Future of Navy Cryptology

Month

February 2020

NSGA Anchorage Disestablished, February 28, 1998

Established in May 1946, U.S. Naval Security Group Activity (NSGA) Cape Chiniak, Alaska relocated to Elmendorf AFB, near Anchorage on April 11, 1966 establishing NSGA Anchorage.  Continue reading “NSGA Anchorage Disestablished, February 28, 1998”

Remembering CAPT Jack Holtwick,USN, 18th Commander to Lead Naval Cryptologist

Captain Jack Sebastion Holtwick, Jr.
February, 27 1907 – January 8, 1987

Captain Holwick’s bio follows:

Continue reading “Remembering CAPT Jack Holtwick,USN, 18th Commander to Lead Naval Cryptologist”

Battle of Iwo Jima Radio Intelligence (COMINT) Report

The following is a Radio Intelligence report is based on Japanese intercepted communications leading up and during the first couple of weeks of the Battle of Iwo Jima. The five officers listed at the beginning of the report are Japanese language officers that provided tactical I&W ISO the Iwo Jima invasion, later known as Operation Detachment.

Continue reading “Battle of Iwo Jima Radio Intelligence (COMINT) Report”

Remembering SSGT Donald D. Daugherty, USA, KIA Vietnam

SSGT Donald D. Daugherty, U.S. Army
February 20, 1937 – April 13, 1966

Continue reading “Remembering SSGT Donald D. Daugherty, USA, KIA Vietnam”

February 19, 1943, U.S. Navy Cryptanalysts Supports General MacArthur!

In January 1943 Eighth Area Army ordered reinforcements to Lae, New Guinea.

Continue reading “February 19, 1943, U.S. Navy Cryptanalysts Supports General MacArthur!”

February 16, 1973, National SIGINT Operations Center was Established

On 16 February 1973, a ribbon-cutting ceremony was held for the National SIGINT Operations Center (NSOC).

Continue reading “February 16, 1973, National SIGINT Operations Center was Established”

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