Prince Khalid bin Sultan bin Abdulaziz, Assistant Minister of Defense and Aviation and Inspector General for Military Affairs paid a visit to Nellis Air Base in the U.S. State of Nevada on Wednesday night. During the visit, he attended part of a world annual air exercise organized by U.S. air forces entitled '' The Red Flag'' with the participation of air forces from the United States of America, the Kingdom of Saudi Arabia, Britain, Germany and Norway. The Saudi participation includes six F15 S attack aircraft along with 150 officers and servicemen of Saudi Royal Air Forces. Saudi pilots will conduct during a two-week exercise 80 day and night sorties. In a speech ceremony held by the Saudi participating group on this occasion, Prince Khalid bin Sultan praised the role and efficiency of the group, also commending the advanced experience gained in the field of the military aviation from such practices.