Here in Germany they have the Barracuda project, a rocket powered torpedo that travels at 360 Km/Hr
It was shown on a National Geographic episode called Super Sub if you want further info.
Rgds Andy
In a message dated 12/27/2006 2:49:46 PM Central Standard Time, bottomgun@mindspring.com writes:The project is designed to use what's called "supercavitation." That is, when an underwater object moves fast enough, a pocket of air forms between the hull and the water. That reduces drag on the vessel and increases its speed even moreJay and all I was in Marine Corps special forces, and still keep up with a lot ofhigh tech subjects with my group.For several years now the defense department has been developing a torpedo thatwill have Mach speed capabilities. The supercavitation technology is real andI believe they will get there.Semper fiDean Ackman