This updated resource provides a more comprehensive history, including: Iran's Persian imperial past, the spread of Islam, and the Iran-Iraq War The Islamic Revolutionary Guard Corps Navy (IRGCN) emphasizes an asymetric doctrine to ensure national security in the Persian Gulf against regional neighbors and foreign presence.   The Islamic Republic of Iran Navy (IRIN) employs a more conventional doctrine and focuses on forward presence and naval diplomacy.  Both navies have considerable equities and are well positioned to influence and leverage the Strait of Hormuz; a vital chokepoint for the flow of resources and international commerce.   Illustrated with organizational charts, and photos of key Iranian leaders, including  commanders within the Navy Command and Control Leadership, as well as rank insignia graphics, maps, ships, aircrafts, missile images, and more. Check out ourMiddle East resources collection for more resources on this topic. You may also be interested in ourForeign Military History collection Other products produced by theUnited States Navy