Volume III of Istoriya rossiyskoy vneshney razvedki, the SVR's official multivolume history, covers 1933 to 1941 — the years Soviet foreign intelligence built some of the most productive ideological networks in its history and then watched its own leadership discount the one report that mattered most. The volume's throughline is not collection failure. It is the gap between what a service knows and what a state does with the knowledge, and the 1,100-plus pages the SVR devoted to this period read as an unusually candid admission that the second problem, not the first, cost the Soviet Union its strategic surprise on June 22, 1941.

This is the third installment in Security Nexus's series on Soviet intelligence tradecraft, following our reading of Volume I's institutional arc and Volume II's account of INO's founding and the deception  ...