Dolphins used in Straits of Hormuz

http://www.nytimes.com/2010/11/28/science/28robot.html?scp=2&sq=dolphins%20used%20in%20straits%20of%20hormuz&st=cse&pagewanted=2

_This link to New York Times article Nov. 28, 2011 discusses the possibility of using dolphins to detect mines in The Straits of Hormuz