Iran Navy Tightens Grip On Persian Gulf Iran is upgrading a Persian Gulf naval base in order to tighten its grip on the Gulf. The Islamic Revolution Guards Corps (IRGC) has upgraded the Asalouyeh naval base to a naval region, inaugurating its fourth naval base along the waterway. The Asalouyeh naval region will control a 190-mile stretch of coastline west of the strait between Kish Island and the port of Dayyer. Posted at: November 17, 2008 The full text of this blog post is available to subscribers. Please login or register to request subscription information from MEMRI.