
Kriegsmarine Gun Battery Schleswig Holstein – Hel, Poland
The German Navy strengthened the Peninsula of Hel, they added three huge gun emplacements and an observation tower. …
Battery Schleswig-Holstein was a German naval artillery installation near Danzig. On September 1, 1939, it fired the first shots of World War II at the Polish garrison on Westerplatte, initiating the invasion of Poland and the broader European conflict.