Den Helder, Marinekazerne Erfprins Keelpoort. Den Helder, Marinekazerne Erfprins Artillerieschool Den Helder, Marinekazerne Erfprins Artillerieschool. Den Helder, Marinekazerne Erfprins Vlaggemast Den Helder, Marinekazerne Erfprins NBCD - School, Averijmoot. Den Helder, Marinekazerne Erfprins NBD - School Artillerie Cantine in Erfprins, Den Helder. Den Helder Marine Cantine Den Helder - Marine Kazerne. Marine Kazerne, Den Helder. Marine Kazerne, den Helder. Helder, Marine Kazerne "Willemsoord."
