U.S. Air Force Tech Sgt. Joel McPherson calls in an air strike on insurgent positions in the steep hills of Korengal valley in Kunar province, Afghanistan, Aug. 13, 2009. McPherson, a joint terminal attack controller, assigned to the 4th Infantry Division's Company B, 2nd Battalion, 12th Infantry Regiment, 4th Brigade Combat Team, and fellow Air Force airmen fight side by side with their Army counterparts, serving as joint terminal attack controllers, responsible for coordinating air strikes for ground forces. U.S. Air Force Tech Sgt. Joel McPherson calls in an air strike on insurgent positions in the steep hills of Korengal valley in Kunar province, Afghanistan, Aug. 13, 2009. McPherson, a joint terminal attack controller, assigned to the 4th Infantry Division's Company B, 2nd Battalion, 12th Infantry Regiment, 4th Brigade Combat Team, and fellow Air Force airmen fight side by side with their Army counterparts, serving as joint terminal attack controllers, responsible for coordinating air strikes for ground forces. SHARE: Download: Full Size (4.41 MB) Tags: Photo Essays Credit: VIRIN: 494182-H-WSH40-195.jpg Photo Gallery