The Trump administration is calling on allied nations to join a new international coalition to help reopen and control the Strait of Hormuz , officials said. The Maritime Freedom Construct (MFC) is meant to be a diplomatic and military push to work with allied countries and shipping companies to help reopen the vital waterway, and allow tanker ships to pass through without being molested by Iran. The pitch for the MFC was sent out in an internal State Department cable to US embassies on Tuesday,