Riyadh, Safar 08, 1437, November 20, 2015, SPA -- Deputy Crown Prince Mohammed bin Salman bin Abdulaziz, Second Deputy Premier and Minister of Defense, is set to patronize the 4th symposium on E-war which will be held in Riyadh on Sunday in the presence of the Chief of General Staff General Abdulrahman bin Saleh Al-Bunyan. The symposium, organized by King Abdullah City for Science and Technology in cooperation with the Ministry of Defense, aims at encouraging scientific research in the field of electronic war, spreading the awarness on the technologies used in e-war and presenting the fields of modern knowledge and pioneering international experience in the field of e-war technologies. --SPA 14:58 LOCAL TIME 11:58 GMT www.spa.gov.sa/w