When Gen. David Petraeus took command of the Afghan war effort a year ago, his officers insisted that there was no way he’d go back to the bad old days of bombing the country from the sky. This was a counterinsurgency campaign, they said; winning over the population was way more important than nailing any target. Airstrikes would be solely a “tactic of last resort,” as one general told Danger Room, used only if ground troops “cannot withdraw.”

A year later: never mind. The air war is back, according to U.S. military statistics, and in a major way. During Petraeus’ year on the job, coalition w...