Seven islands that hold the keys to the Strait of Hormuz

With thousands of US ground troops reportedly on the way to the Middle East, speculation is mounting that they may be assigned to take Iran’s Kharg Island, a key fuel hub in the northern Persian Gulf which handles 90% of Tehran’s oil exports. But Kharg is just one of dozens of Iranian islands in the gulf, and others may be more important to securing the safe passage of ships – and naval vessels – through the Strait of Hormuz.