U.S. Army and Air Force personnel assigned to Company B, 2nd Battalion, 12th Infantry Regiment, 4th Brigade Combat Team, 4th Infantry Division, return fire at insurgent positions in the Korengal Valley's steep hillside in Afghanistan's Kunar province, Aug. 13. The 20 minute gun battle ended with 500 pound bombs, dropped by U.S. Air Force F-15 fighter jets, destroying insurgent positions in the surrounding hills. No civilians were injured during the battle. International Security Assistance Forces across Afghanistan have increased operations in recent months, in order to ensure safety and security during Afghanistan's second national election, scheduled for the end of August. Photo by Sgt. Matthew Moeller