Interesting information in TICOM report I-170
The NSA has declassified the TICOM report I-170 ‘Report on French and Greek Systems by Oberwachtmeister Dr. Otto Karl Winkler of OKH/FNAST 4’ (dated January 1946).Google drive linkI’ll probably write a...
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The compromise of Greek partisan radio communications in WWII
A history lessonAt the start of WWII the Kingdom of Greece, ruled by Ioannis Metaxas (head of the 4th of August Regime) followed a neutral foreign policy and tried to avoid taking part in the conflict....
View Article6 June 1944 – Allied plans, German intelligence and allocation of German units
With the anniversary of the Allied landings in Normandy coming up, it’s time to read up on some aspects of the battle that have been overlooked by historians:German intelligence on operation...
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Secure ciphers - Insecure messages
In the construction and use of tactical cryptosystems there are two conflicting requirements. One is security and the other is ease of use. If a system is highly secure but hard and time consuming to...
View ArticleInformation on the Enigma cipher machine found in the War Diary of...
During WWII the German Army made extensive use of signals intelligence and codebreaking in its operations against enemy forces. German commanders relied on signals intelligence in order to ascertain...
View ArticleGerman signals intelligence successes during operation Barbarossa
On June 22 1941 the military forces of Nazi Germany attacked the Soviet Union, thus starting the largest land campaign in history.Codebreaking and signals intelligence played a major role in the German...
View ArticleThe quest for the missing NAASt 5 reports - Update
In April I said that I’ve been trying to locate the two missing reports of NAASt 5, which was the cryptanalytic centre of KONA 5 (Kommandeur der Nachrichtenaufklärung - Signals Intelligence...
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1). I’ve made some corrections and also changed the title in The Japanese FUJI diplomatic cipher 1941-43 (for example instead of saying the Germans or OKW/Chi solved the code I mention the specific...
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Working on the Dark Side of the Moon: Life Inside the National Security Agency
A new book on the NSA has been published recently. The book in question is ‘Working on the Dark Side of the Moon: Life Inside the National Security Agency’ by Thomas Reed Willemain.Maitland, FL (May...
View ArticleFor the fans
Here are some new TICOM reports:1). I-26 ‘Interrogation of Oblt. Schubert (OKH/Chef HNW/Gen.d.NA) on Russian Military and Agents’ systems at OKM Signals School, Flensburg on 17 June 1945’2). I-116...
View ArticleComrade detective
This is awesome!Comrades, it is your patriotic duty to report to the authorities anyone who doesn’t see this TV series.
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War By Numbers
Christopher A. Lawrence of the Dupuy Institute has published the book ‘War by Numbers Understanding Conventional Combat’.Available from Potomac books and Amazon.War by Numbers assesses the nature of...
View ArticleTICOM I-123
I’ve uploaded TICOM report I-123 ‘Interrogation Report on Rudolf Trappe (Civilian) of OKW/Chi’.
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Compromise of Greek military and diplomatic communications in WWII
At the start of WWII the Kingdom of Greece, ruled by Ioannis Metaxas (head of the 4th of August Regime) followed a neutral foreign policy and tried to avoid taking part in the conflict. However...
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1). In The secret messages of Marshall Tito and General Mihailović I added the Journal of Slavic Military Studies article: ‘The Key to the Balkans: The Battle for Serbia 1944’ in the sources.2). In...
View ArticleSummary annual reports of the Army Security Agency
The NSA has uploaded the ‘Summary annual reports of the ASA’ for the years 1946-1963.
View ArticleMore TICOM reports
The NSA FOIA office has released the following TICOM reports:I-31 ‘Detailed interrogations of Dr. Hüttenhain, formerly head of research section of OKW/Chi, at Flensburg on 18-21 June 1945’I-84 ‘Further...
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Book review – ‘TICOM: The Hunt for Hitler’s Codebreakers’
Signals intelligence and codebreaking played an important role in WWII. British and American codebreakers solved many important Axis crypto systems, such as the German Enigma machine and the Japanese...
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Missing page from TICOM I-137
The TICOM report I-137 ‘Final report written by Wachtmeister Otto Buggisch of OKH/Chi and OKW/Chi’ that I recently uploaded was missing page 2.Thankfully the NSA FOIA office has sent me the page, thus...
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Info on Greek Army codes
In Compromise of Greek military and diplomatic communications in WWII I’ve added the following:A Greek file dated 1938 (1) mentions the following Army cryptosystems: small unit code 1937, large unit...
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