U.S. Army soldiers and Air Force personnel return fire at insurgent positions in the Korengal valley’s steep hillside in Kunar province, Afghanistan, August 13, 2009. 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. U.S. Army soldiers and Air Force personnel return fire at insurgent positions in the Korengal valley’s steep hillside in Kunar province, Afghanistan, August 13, 2009. 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. SHARE: Download: Full Size (5.91 MB) Tags: photo essays Credit: VIRIN: 059219-U-CBU51-459.jpg Photo Gallery