 They did make several coup de main attacks against targets which were not protected by anti-aircraft guns.One of these was Unternehmen Eiche ("Operation Oak") a landing on the Gran Sasso in Italy on September 12, 1943, in which the deposed Italian dictator Benito Mussolini was rescued from house arrest.Another was an attack (codenamed Operation Rösselsprung) on the headquarters of Marshal Josip Broz Tito in Yugoslavia in March 1944.