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US Navy


— Military

US Marines demonstrate Ultra Heavy-lift Amphibious Connector prototype

In a recent demonstration carried out during RIMPAC 2014, the US Marines displayed and tested a fully-functional, half-scale prototype of its new amphibious transport vehicle. In its proposed full-size version the Ultra Heavy-Lift Amphibious Connecter (UHAC) concept is designed to power across the water with a payload of nearly 200 tons (180 tonne) at up to 20 knots (23 mph/37 km/h) and be capable of driving up on to the shore and over the top of obstructions up to 10 ft (3 m) high. Read More
— Military

Electromagnetic system to replace steam launches on US Navy carriers

A fighter plane taking off from a strike carrier is a dramatic sight – not the least because of the woosh and plume of steam as the catapult blasts the aircraft into the air. In a few years, such launches may still be dramatic, but they’ll also be a bit quieter and very plume-free. That’s because the US Navy has completed testing of its Electromagnetic Aircraft Launch System (EMALS); clearing it for use on the new Gerald R Ford-class aircraft carriers. Read More
— Military

US Navy developing laser weapons for ground vehicles

The US Navy is deploying its first laser weapon on the USS Ponce in a few months. The technology also has obvious potential for ground vehicles – a fact that hasn't escaped the US Marine Corps. The Office of Naval Research has awarded contracts to develop a similar laser weapon that can be installed in light-tactical vehicles instead of ships as part of its Ground-Based Air Defense Directed Energy On-the-Move (GBAD) program. Read More

US Navy's NeRD keeps reading under the radar

Bucking the "more is better" trend of digital technology, the US Navy has unveiled an e-reader that’s notable for its lack of features. Designed to provide service personnel with digital format books without breaching security, the Navy e-Reader Device (NeRD) lacks networking capabilities like Wi-Fi, or the ability to add or remove anything from its digital library. Read More
— Military

US Navy develops tougher ceramic for armored vehicle windows

A team of experts at the US Naval Research Laboratory (NRL) has developed a new way of fabricating spinel, an armor material used in the windows of military vehicles, demonstrating that the strength of transparent ceramics could be dramatically improved. The nanocrystalline spinel is 50 percent harder than the spinel currently used in armored vehicles and could result in enhanced protection for personnel. Read More
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