American defense officials tell WSJ the guided-missile destroyers transit through the Strait of Hormuz was 'the quietest in a long time'

US Maritime Administration urges shippers to exercise caution after earlier warning that Iran could target commercial sea traffic

Military spokesperson dismisses footage published by Revolutionary Guards days after Washington branded it a terror organization

Armed Forces commander says will close vital shipping lane to all countries if its oil exports are blocked

Development comes after US government designates Revolutionary Guards a foreign terrorist group

US says blocking access to key oil route would be unacceptable; Turkey blasts Washington decision as one that'll harm Iranian people