Detailed take on how Russia allegedly created a dense web of electronic warfare systems that scramble the navigation system of Ukraine planes and jam guidance systems of modern Western weapons.

"Six months ago, after Ukrainians reported the problem, Washington simply stopped providing Excalibur shells because of the high failure rate"

- Ukrainian officials said, speaking on the condition of anonymity to discuss a sensitive security matter.

As a result of the Russian jamming, sources claim, in Ukraine, accuracy of U.S. weapons drops to 10 percent.