These collections include a huge number of documents from the archives of the FSB of the Russian Federation, the SVR of the Russian Federation, the Ministry of Defense of the Russian Federation, the Russian State Military Administration, the GA of the Russian Federation, as well as other state and departmental archives of our country, more than 90% of which have so far been classified as "secret" and "top secret," as well as previously published documents of some rare collections on the creation of atomic weapons, etc. The collections also contain some captured and previously published enemy documents. The published publication is of interest to historians, researchers and a wide range of readers.