Ghost was released in August of 1990.
SM U-7 -LRB- Austria-Hungary -RRB- may refer to one of the following World War I German U-boats  :. World War I. World War I. , ordered as U-7 , the lead boat for the Austro-Hungarian Navy U-7 class ; sold to Germany before 1915 launch ; became lead boat of German Type U 66 submarine ; disappeared September 1917. lead boat. lead boat. German Type U 66 submarine. German Type U 66 submarine. , a German Type UB I submarine that operated in the Mediterranean ; co-flagged as the Austro-Hungarian U-boat SM U-7 ; disappeared September 1916. German Type UB I submarine. German Type UB I submarine. Mediterranean. Mediterranean