Iran tensions escalate as US extends ceasefire, cargo ships seized Lt. Gen. Keith Kellogg discusses the strategic importance of the Strait of Hormuz, the U.S. blockade and the financial pressure on Iran. NEW You can now listen to Fox News articles! The U.S. may have burned through roughly half of its Patriot missile interceptors during the conflict with Iran , according to a new analysis, underscoring how even a campaign lasting just weeks can place heavy strain on key munitions stockpiles.