In the interiors of the Gothic Teutonic Castle in Kętrzyn, which present houses the Wojciech Kętrzyński Museum, the Association of Polish Fibremakers and the City of Kętrzyn organized a seminar, attended by over 100 representatives of the planet of science, manufacture and users: troops and uniformed services. The first edition of the event was devoted to the latest solutions and trends in the field of specialized textiles and their wide usage in defence and security.