AuxDefense 2018 is sponsored by the Portuguese Ministry of National Defense, organized by the University of Minho and focused on the latest scientific and technical novelties in advanced materials for Defense, including equipment and soldier protective systems. The conference will bring together various universities, research and technological centers, companies and all those interested in innovative solutions for this very high demanding field. The conference aims to represent a forum for exchanging ideas, presenting the latest developments and trends, proposing new solutions and promoting international collaborations.