Submarines need to operate stealthily and quietly. In some areas, warming waters and changing salinity levels could make that ...

Submarine warfare could be directly affected ... concluded that it might be harder to detect submarines when a thermal layer is present. But if it isn't, they may be easier to find because sound could ...

A1: North Korea’s pursuit of nuclear-powered submarines ... in the Cold War days. During the Cold War, the Soviet Union was reluctant to give North Korea such advanced weapons technology. For example, ...

Submarine warfare could be directly affected ... concluded that it might be harder to detect submarines when a thermal layer is present. But if it isn't, they may be easier to find because ...