The “Veche” publishing house issued the book “The secrets of Russian Fleet. From the FSB archives” that deals with the most mysterious fleet-related events in the 1916-1945 period. The research was carried out by Lieutenant General Khristoforov, Head of the FSB Department of Registration and Archives, professor of the Department of Foreign Region Studies and Foreign Policy of RSUH. and by Dr. Cherepkov, vice-director of the FSB Central Archives.