In September 2010, Stichting Luchtoorlog 1939-1945 opened the permanent exhibition. The numerous items that remain from plane crashes in Nederweert and its surroundings are the silent witnesses to the air war on site. That war was very intense here, as the region was situated within the German Kammhuberlinie. This defence line ran from Denmark across the East Netherlands region and Belgium to Switzerland and was intended to protect Germany against Allied air raids by means of an extensive radar and alarm system. For this purpose, the line was also equipped with numerous searchlights and locations where night fighters were ready to engage in combat after an alarm. During the years of German occupation, dozens of Allied bombers and German fighters crashed in this area. To this very day, remnants of these acts of war are found and preserved.