The 5th Asian Conference on Defense Technology (ACDT 2018) welcomes all submissions of research papers and short papers that are related to defense technology, safety, security, disaster relief, and peacekeeping technology. This conference aims to bring together people in research institutes, universities, and industries to enhance intellectual exchanges, discussion, and research collaboration. Accepted papers will be published in the 5th ACDT Proceedings and selected ones will be submitted to IEEE Xplore. We encourage the authors to submit the revised version to the special issue of Defense Technology, Elsevier Journal.