NKVD filtration camps
Soviet screening camp for returning soldiers
NKVD screening and filtration camps (Russian: Проверочно-фильтрационные лагеря НКВД СССР), originally known as NKVD special-purpose camps / NKVD special camps (Russian: лагеря специального назначения НКВД СССР, спецлагеря НКВД), were camps for the screening of the Soviet soldiers returned from enemy occupied territories, enemy imprisonment, or...
