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Directorate of Special Departments within NKVD USSR

Directorate of Special Departments within NKVD USSR
Управление Особых Отделов при НКВД СССР
УОО НКВД СССР
Special Departments or OO
Military counter-intelligence overview
Formed17 July 1941
Preceding agencies
  • 3rd NKO Directorate
  • 3rd NKVMF (Navy) Directorate
  • 3rd NKVD Department
Dissolved14 April 1943
Superseding Military counter-intelligence
TypeMilitary counter-intelligence, Secret Military Police
JurisdictionSoviet Union (World War II)
HeadquartersLubyanka (4th and 6th floors) Moscow, and later (Kuibyshev) Soviet Union
Employees387 (in August 1941, in Moscow center) in May 1942 227 man
Minister responsible
Military counter-intelligence executive
Parent departmentNKVD, NKVMF part till 1.11.1942
Parent Military counter-intelligenceCouncil of People's Commissars

Directorate of Special Departments within NKVD USSR. rus. Управление Особых Отделов при НКВД СССР, (UOO) was an organization created in 1941 to conduct military counterintelligence under one command. The UOO was created to take back control from the retreating Red Army after the German invasion of the USSR and to counter German espionage efforts in the Soviet Armed forces. The principle tactic used by the UOO on Red Army personnel was intimidation and terror.


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