Russian Polye 21 radio EW system james the 155mm M982 Excalibur US

The 155mm M982 Excalibur extendedrange guided missiles provided by the US to Ukraine are being disrupted by Russias Polye21 radioelectronic warfare systems, according to a Forbes report, cited by The jamming technique used by the Russians interferes with the GPS signals of these missiles. According to the report issued by the Royal United Services Institute, Russia has strategically positioned a major electronic warfare system approximately every 6 miles along an estimated 750mile frontline of the conflict. These systems, which are primarily tasked with incapacitating drones, are stationed roughly 4 miles from the frontline, the report elaborated.