Sheikh, Mar. 14, SPA -- Prince Khalid bin Sultan bin Abdulaziz, Assistant Minister of Defense and Aviation and Inspector General for Military Affairs, arrived here today to open the activities of "The 11th International Conference of Water Technology" and on, behalf of Crown Prince Sultan bin Abdulaziz, Deputy Premier, Minister of Defense and Aviation and Inspector General, to present awards for research that won the Prize of Prince Sultan bin Abdulaziz. At Sharm El-Sheikh Airport, he was received by senior officials.