The U.S. and its Arab allies are quietly pursuing a missile defence system across the Persian Gulf. American officials say the project is aimed at repelling a potential attack from Iran.
Washington has boosted sales of detection systems and missile batteries to countries like Kuwait, the United Arab Emirates and Saudi Arabia.
This map shows how the Iranian state is being increasingly encircled by all kinds of U.S. military bases and weapons. Soraya Sepahpour-Ulrich, an independent researcher and writer, believes a hypothetical threat from Tehran is a pretext for further expansion in a key strategic area.