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This document explores the methodologies and historical incidents involving GCHQ and NSA, highlighting significant cases such as Yvonne Fletcher in 1984 and the H-Div lessons learned. It examines the impact of operations like Tempest and Friction, alongside the challenges faced by intelligence agencies in maintaining secrecy and efficacy. The context of trade union activities and the technological struggles with IBM and ICL further illustrate the complexities of intelligence work. An insightful case study for understanding the evolution of espionage and its implications on modern security.
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Bill Odom NSA and Peter Marychurch GCHQ - the single source problem
History written backwards: Yvonne Fletcher 1984 The H-Div Lessons Learned Case Study