Iran has threatened to start charging a toll for passage through the Strait of Hormuz. Even if it never happens, the idea could unsettle global shipping.

Iran’s foreign minister has already arrived in the country, state media reported. He was believed to be carrying a written response to a U.S. proposal to end the war.

The Pentagon’s rush to rearm its Mideast forces makes it less ready to confront potential adversaries like Russia and China, administration and congressional officials say.