Upon the Custodian of the Two Holy Mosques' arrival, he listened to explanation on the general outline project of King Saud Air Base in the Eastern Sector and its facilities, and watched a film about the project's designs and facilities. Then the King pressed the button of laying the foundation stone for the construction project of King Saud Air Base, and signed the commemorative plaque of the project. The Custodian of the Two Holy Mosques left Riyadh earlier today for Hafr Al-Baten Governorate. The King was seen off at King Salman Air Base Airport by a number of princes; ministers; and senior officials. --SPA 16:26 LOCAL TIME 13:26 GMT www.spa.gov.sa/w