Regular bullets decelerate so quickly in water that they only make it a few feet, which is why diving into a conveniently located pool or waterway when under fire from assassins can be such a good ...

Summary: Supercavitating torpedoes, which use a cavitation bubble to reduce drag and achieve high speeds, are operated by Russia, Iran, Germany, and not the U.S. These torpedoes have a distinctive ...

Supercavitating torpedos are rocket-propelled and ride inside an air bubble through the waves. The bubble they fly though is produced by internally-stored gas that is ejected out the front of the ...

Key Points and Summary: Iran's Hoot supercavitating torpedo, believed to be a reverse-engineered version of the Soviet Shkval, is a key asset in its asymmetric naval strategy. The US Navy, at present, ...

Juliet Marine Systems is a maritime technology think tank that is developing innovative solutions for naval and commercial applications. They seek to assure fleet force protection in response to small ...

From 2007, seapower digital has more information on the Underwater Express program. Underwater express is a DARPA project looking to create a 100 knot (110 mph) submarine that is 8 feet in diameter ...

South Korea's Agency for Defense Development (ADD) has begun basin trials for a supercavitating underwater test vehicle that paves the way for the country to develop a high-velocity torpedo that is ...