The 27th meeting of the TOBB Defense Industry Sector Assembly was held on September 23rd at the TOBB Twin Towers Conference Hall with the participation of SSM Undersecretary, Prof. Dr. İsmail DEMİR. Prof. Dr. İsmail DEMİR attended the meeting. Defense and Aerospace Industry Manufacturers Association Gn. Following the presentation by Hüseyin BAYSAK, Secretary General of the Defense and Aerospace Industry Manufacturers Association, on the Performance and Sustainability of 2013 and the Development of Competition, a presentation on the definition of Domestic Goods was made by Mr. Fatih ÜNAL, SDT G. Md. Mr. Following the Undersecretary's speech on the vision and critical orientations for the defense industry, the sector meeting ended with the questions of the industry company executives and the family photo was taken. TÜBİTAK Marmara Research Center (MAM) was represented by Assoc. Prof. Dr. Murat MAKARACI, Vice President of Strategy and Technology Development, and Dr. Mehmet SEZGİN, Director of BİLGEM- BTE.