Advances in Electronic Warfare Fly Under the Public’s Radar

As the Pentagon moves beyond the relatively low-tech wars in the Middle East and turns its attention to future national security challenges, it has doubled down on sophisticated new radar-jamming devices that aim to render adversaries’ air defenses useless.

Although the U.S. faced limited resistance in the skies above Iraq and Afghanistan, that would not be the case in Asia, where the Obama administration plans to shift its diplomatic focus and strengthen its defense strategy in the coming decade.

China and North Korea, for example, have quietly invested in advanced sophisticated radar systems, surface-to-air missile batteries and power-projection capabilities.

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