On behalf of His Royal Highness Prince Mohammed bin Salman bin Abdulaziz Al Saud, Crown Prince, Deputy Prime Minister and Minister of Defense, the Chief of General Staff Fayyad bin Hamid Al-Ruwaili patronized yesterday the graduation ceremony of the 18th batch of King Abdullah Air Defense College . Upon his arrival at the venue, the Chief of the General Staff was received by Lieutenant General Mazyad bin Sulaiman Al-Amro, Commander of the Royal Saudi Air Defense Forces (RSADF) and Commander of King Abdullah Air Defense College. The ceremony was concluded by handing over the graduates their awards and certificates.