RETURNING FIRE U.S. Army soldiers return fire while engaging enemy combatants in the Chak district, Wardak province, Afghanistan, Sept. 25, 2010. The soldiers are assigned to Company A, 1st Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade Combat Team. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 640827-E-MZL23-152.jpg Photo Gallery