Four U.S. officials said Russia’s signal scrambling has seriously affected military operations

 The Russian military has been jamming US military drones in Syria for the past several weeks following a series of suspected chemical weapons attacks on civilians in eastern Ghouta. The Russian military was concerned about retaliation and began jamming the GPS systems of drones, impacting US operations.

“Jamming, which means blocking or scrambling a drone’s reception…can be uncomplicated”, says Dr. Humphreys. “GPS receivers in most drones can be fairly easily jammed.“ 

Russia was caught jamming drones in Ukraine after the invasion of Crimea. The jammers has a significant impact on the United Nations surveillance fleet, grounding it for days.

Read the full article featuring Dr. Humphreys.