The military adviser to Iran's supreme leader Mojtaba Khamenei on Wednesday warned that Iran would sink American ships in the Strait of Hormuz if the United States decided to "police" the key shipping bottleneck. Mohsen Rezaei, a former commander-in-chief of Iran's Revolutionary Guards who was named as a military adviser by Khamenei last month, told state TV. "These ships of yours will be sunk by our first missiles and have created a great danger for the US military.