On 27 November 1942 , after Operation Military_operation Torch , the Allied invasion Attack of Morocco and French Algeria had begun Process_start , the French navy foiled Removing a German attempt to capture Conquering the rest of the French fleet ( Operation Military_operation Anton ) by scuttling Destroying their ships in Toulon Harbour .

After about 100 minutes of fighting , `` Bismarck '' was sunk Motion_directional by the combined effects of shellfire , torpedo hits and deliberate scuttling .