Historical Notes and Misc Page

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• Naval Security Group History
• By Alvin H. Grobmeier, CDR, USN (Ret.) Anyone having questions or comments on this topic is invited to contact CDR. Grobmeier.
  
  Historically, the Naval Security Group began in 1916 when the Code and Signal Section was established in the Office of the Chief of Naval Operations. In 1918 our first modern codes were issued. They were copied after British codes used by us during World War I.
• Researcher@Large - 1937 US Navy Fleet Radio Direction Finding by a single ship Memo
• Memorandum explaining radio direction finding of enemy forces by a single ship
• USN CDAAs: End of an Era
• In the early 1960s the U.S. Navy built 14 AN/FRD-10 Wullenweber Circularly Disposed Antenna Arrays/Circular Dipole Antenna Arrays (CDAA) high frequency direction finders on established Navy installations at the following locations. Most lasted into the late 1990s
• Partial History of Eckstein Border Site
• A personl rendiction and memory.
• AFSS History
• 1950 - The USAFSS concept and plan for production of tactical area intelligence was approved by the Office of the Secretary of Defense and the Vice Chief of Staff, USAF, in April 1950.
• Signals intelligence in modern history
• This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the…
• National Cryptologic Museum - NSA/CSS
• National Security Agency
• From USAFSS to AIA
• PDF file giving origins and short history of AF Service Service to the Air Intelligence Agency
• Frode Weierud's CryptoCellar
• Cryptology and Its History - One could easily spend days just following and reading the links on this site...
• Boeing RB-47 / ERB-47H Stratojet - Spy flights
• However, although the RB-47E conducted a variety of spectacular overflights of the Soviet Union during the 1950’s, including Murmansk, the aircraft had a fairly low operational ceiling of 40,000 feet

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