The U.S. Air Force has invested over a hundred billion dollars in stealthy fighters and bombers since the Cold War ended, while gradually disbanding its jamming units.

FORBES: In Digital Age, U.S. Military Still Stuck With Vietnam-Era Jammers

In Pakistan's war zones, a policy based purely on jamming, and confiscating kit, would upset local Pushtuns, for whom radio is a vital medium.

ECONOMIST: Silencing murderous messages is not as easy as it sounds