For example, the Soviet GRU covered some intelligence officers under the TASS news agency, or as part of a trade or technical mission, or even as diplomats.
Exposition Internationale des Arts et Techniques dans la Vie Moderne | Geostationary Operational Environmental Satellite | The Clandestine Marriage | Operational risk | Operational Group | Czersk Operational Group | Aviation Security Operational Command Unit | Swedish Sensationsfilms: A Clandestine History of Sex, Thrillers, and Kicker Cinema | Operational conversion unit | operational | Ingénieur des études et techniques de travaux maritimes | Information Processing Techniques Office | Exposition Internationale des Arts et Techniques dans la Vie Moderne (1937) | Copper extraction techniques | Clandestine Blaze | 1200 Techniques | X-ray scattering techniques | The Techniques | Techniques of neutralization | “techniques of neutralization” | Techniques d'Avant Garde | Southern Operational Command | Rapid Engineer Deployable Heavy Operational Repair Squadron Engineers | Polar Operational Environmental Satellites | Operational Service Medal for the Democratic Republic of Congo | Operational Research CONsultancy | Operational Requirement F.155 | Operational plan | Operational historian | Operational Group "Czersk" |