Title: 18-i︠a︡ divizii︠a︡ podvodnykh lodok Severnogo flota
Subjects: Submarine forces, History, Submarines (Ships), Soviet Union. Voenno-Morskoĭ Flot. Severnyĭ flot, Soviet Union, Soviet Union. Voenno-Morskoĭ Flot
Places: Soviet Union
Time periods: 20th century