More info:
US FIFTH FLEET: Disruptions In The Strait Of Hormuz Will Not Be Tolerated
http://www.freerepublic.com/focus/f-news/2825888/posts
Iran: Well stop the flow of Gulf oil if sanctions are imposed (Threatens to close Hormuz)
http://www.freerepublic.com/focus/f-news/2825835/posts
Lots of posts with info (maps) in the related threads
Thanks.