Saturday, October 13, 2018

Entry 9032 finding aid

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I have uploaded the finding aid to US National Archives - collection RG 457 (Records of the National Security Agency) - entry 9032. Note...
Tuesday, October 2, 2018

More interesting USSBS interrogation reports

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USSBS Japan – ‘Japanese Communication Intelligence’, Serial No. 208 – Commander Ozawa USSBS Japan – ‘Japanese Naval Intelligence’, Seria...
Saturday, September 29, 2018

Greek civil war decrypts

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In the site primarysources.brillonline.com there are several decrypted Greek Communist military radio messages dated 1948. These message...
Wednesday, September 19, 2018

U.S. Strategic Bombing Survey - Operational Intelligence, Serial No. 431

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Here is a link to U.S. Strategic Bombing Survey - Operational Intelligence, Serial No. 431 - Lieutenant Commander Satake (Communications dep...
Monday, September 10, 2018

German solution of State Department A-1 Code in 1944

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During WWII the US State Department used several codebooks for enciphering radio telegrams. These were the low level Gray and Brown codes an...
Saturday, September 8, 2018

Remaining research projects

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What files am I still trying to locate? Let’s see. 1). TICOM report I-40 I requested this file from the NSA FOIA office in 2015. It...
Saturday, August 18, 2018

Update

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I’ve added information in Compromise of State Department communications in WWII .
1 comment:
Tuesday, August 14, 2018

Cryptology files on Elizebeth Friedman and Coast Guard Unit 387

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Interesting reports on Elizebeth Friedman and Coast Guard Unit 387 . Uploaded to archive.org by mr Jason Fagone .