TY JOUR TI BORDER TROOPS OF THE NKVD OF THE USSR DURING THE GREAT PATRIOTIC WAR KW border troops KW border KW district KW outpost KW violators KW detentions KW border protection JO VESTNIK ADVANCED TRAINING INSTITUTE OF THE MIA OF RUSSIA AU Nevskiy, S.A. PY 2025 IS 0 PB All-Russian Advanced Training Institute of the Ministry of the Interior of the Russian Federation