http://abcnews.go.com/Technology/wireStory?id=1881775
Dr. Anil Raj, lead scientist on the sonar brain port reasearch, checks to make sure that currents are running throught the tongue port which will fit into his rebreather as he dives in Pensacola, Fla., Wednesday, April 12, 2006. Military researchers believe the tongue could be key in their quest to create the super warrior of the future, giving soldiers sensory powers similar to owls, snakes and fish. (AP Photo/Mari Darr~Welch)
