Naval Union Exercise-12 between Royal Saudi Naval Forces and U.S. Fifth Fleet, which started in Arab Gulf on March 18, will conclude its eight-day activities tomorrow. A number of ships of His Majesty, The King, and aircraft from Saudi Naval and Air Forces are taking part in the Exercise. On behalf of Prince Khalid bin Sultan bin Abdulaziz, Deputy Minister of Defence, the closing ceremony of the Exercise will be attended by the Commander of Royal Saudi Naval Forces Admiral Dakhullah bin Ahmad Al-Waqdai.