Navy

One of the biggest problems with trying to get torpedos to travel faster is the fact that water is a thousand more times dense than air, so in order to overcome that resistance researchers have had to try a variety of different techniques. One of the  phenomenon called supercavitation uses …

The Excalibur smart artillery shell has a ruggedized Global Positioning System (GPS) satellite navigation receiver and uses satellite signals to help guide itself to its intended targets. It first was fielded in Iraq in 2007 for urban or complex-terrain engagements in which collateral damage must be kept to a minimum. …

A reliable long-distance and high-speed underwater communication link plays an important role in the undersea exploration and data collection. At present, the most widely used underwater communication method is still dominated by underwater acoustic communication. Although it can reach the transmission distance of several kilometers and more, the data rate …

China, Russia and North Korea are looking to develop their submarine fleets . Russia is seeking to further bolster its sub-surface capabilities, with new generations of conventional and nuclear propulsion submarines, which promise to be significantly more difficult to detect and track for western naval forces. This includes the Yasen, …

In 2009, the U.S. Navy  began construction of the first new type of aircraft carrier in nearly thirty-five years. The Navy refers to its newest aircraft carrier, the USS Gerald R. Ford, as “4.5 acres of sovereign U.S. territory. Gerald R. Ford is a class of supercarriers being built to …

More than thirty countries produce mines, and twenty countries export them. Iran has reportedly laid several thousand naval mines, North Korea’s 50,000, China 100,000 or so, and Russia estimated quarter-million. Since World War II, sea mines have damaged or sunk four times more U.S. Navy ships than all other means …

US Navy  plans to add as many as 32 attack submarines in just the next 15 years. Overall, the addition of attack submarines represents the largest overall platform increase within the Navy’s ambitious plan to grow the fleet to 355 ships. “Battle force inventory reaches 301 in 2020 and 355 in 2034,” …

Auxiliary ships are vital to maintaining a strong and efficient naval fleet. They are designed to perform multiple roles to effectively support combatant ships in and out of battle, as well as complete other similar naval operations. Although auxiliaries assist other ships and do not execute primary combatant operations, they …

The world’s shipping industry is experiencing strong growth, which is expected to continue. Ships are getting larger and faster, sea-lanes are becoming more crowded, and crews are increasingly relying on electronic navigation systems to operate in this environment . The newly proposed concept of e-Navigation will improve safety, security, and …