Al-Madinah Al-Munawarah, Saudi Arabia, Jumada II 09, 1438, March 08, 2017, SPA -- Vice Custodian of the Two Holy Mosques Prince Mohammed bin Naif bin Abdulaziz, patronized here today the closing ceremony of 2nd joint military drill (Watan 87), held at Mohammed bin Naif Center for Special Operations and Advanced Applications. At the venue, he was received by Assistant interior minister for operations affairs General Saeed bin Abdullah Al-Gahtani, who is the supervisor general for the maneuver, the Director General for Public Security General Othman bin Nasser Al-Muhrej, and the Commander of the Special Emergency Forces, General Khalid Garar Al-Harbi. The Vice Custodian of Two Holy Mosques launched Mohammed bin Naif Center for Special Operations and Advanced Applications and was briefed on their functions. Then he watched the drill. The event was attended by Prince Mansour bin Mohammed bin Saad; Prince Faisal bin Salman bin Abdulaziz, Governor of Al-Madinah Al-Munawarah; Prince Abdulaziz bin Saud bin Naif bin Abdulaziz, Advisor to the minister of interior; Prince Nawaf bin Naif bin Abdulaziz; and senior civil and military officials. --SPA 21:06 LOCAL TIME 18:06 GMT www.spa.gov.sa/w349054