"We’ve been at war in Afghanistan since 2001, and the enemy has figured out some things over that time. Tracking cell phones is no more difficult than tracking strobe lights. Anything that radiates can be tracked. Osama bin Laden, for instance, realized that having any electronics around him could be a death sentence. He reportedly used an intentional deception plan using his own phone, by sending it off with a decoy while he escaped in another direction."
As many journalists, writers and military leaders have pointed out, this is not a war that will be won by firepower alone.