“GPS is a two-edged sword. The Global Positioning System has been the foundation of a revolution in warfare that enables highly accurate smart bombs and navigation systems. With all the furor over civilian casualties caused by smart bombs, imagine what the toll would be without GPS weapons. On the other hand, GPS is the device that allows civilian drivers to follow its directions while driving off a cliff. Which raises the question: what happens when GPS isn’t available?”
Source: The Pentagon Is Worried About Hacked GPS | The National Interest
