Crown Prince Sultan bin Abdulaziz Al Saud, Deputy Premier, Minister of Defense and Aviation and Inspector General, left here today for the United States of America to undergo some medical check-ups. At King Abdulaziz International Airport, the Crown Prince was seen off by Prince Abdulrahman bin Abdulaziz, Deputy Minister of Defense and Aviation and Inspector General; Prince Miteb bin Abdulaziz, Minister of Municipal and Rural Affairs; Prince Naif bin Abdulaziz, Minister of Interior and a number of princes and officials. The Crown Prince was accompanied by Prince Salman bin Abdulaziz, the Governor of Riyadh region and a number of princes and senior officials.