South Korea launched the first of three new 3,600-ton submarines this week, marking another step in its efforts to strengthen its undersea fleet and counter threats from north of the border. The ROKS ...

Diesel-electric submarines aren't just a poor man's nuclear alternative. They're a real problem for U.S. Navy surface and air ASW (anti-submarine warfare) crews. Their biggest advantage against AWS ...

With the U.S. Navy fielding 11 active carriers, the fleet represents a fearsome deterrent and weapon that can be deployed globally. However, they do make big, lucrative targets. For opposing forces, ...