Source: Central Intelligence Agencyīefore a substantive discussion on the technical elements of the Turtle tank, it is worth examining the one and only source for this information. This interplay of espionage and counter-espionage intelligence work can produce its fair share of false intelligence and the ‘Turtle’ tank of 1951 is certainly a contender in this category. Experts in one field may not be experts in others and ‘fake’ information can be obtained even from an honest and reliable source who has been ‘fed’ fake information by the other side. Even technical intelligence from eavesdropping or copying of documents is fraught with errors, counter-intelligence, mistakes, and, sometimes, complete fabrications. Human intelligence sources are often unskilled or untrained and their information requires vetting and assessment. ![]() ![]() ![]() There is no doubt that working in the field of espionage is a difficult occupation.
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