Title: Chetvertoe Glavnoe upravlenie Ministerstva oborony SSSR
Subjects: Soviet Union. Voĭska protivovozdushnoĭ oborony strany, History, Soviet Union, Soviet Union. Ministerstvo oborony Chetvertoe Glavnoe upravlenie, Air defenses, Soviet Union. Ministerstvo oborony. Chetvertoe glavnoe upravlenie
Places: Soviet Union