I Sommergibili e i Mezzi d'Assalto Italiani
This is the VHS release (see more).
SummaryNo. 11 of a series entitled Battaglie sui Mari, edited by Hobby & Work. Good material on Italian submarines and MTB in World War II. Some remarkable rare footage of Italian midget subs in the Black Sea, based in Sevastopol and later in Costanta.