A U.S. Army soldier ducks to get through a gate in Charkh Valley. A U.S. Army soldier from 1st Platoon, Bulldog Troop, 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade Combat Team ducks to get through a gate in Charkh Valley, Logar province, Afghanistan, on June 18, 2010. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 903472-U-LDZ16-308.jpg Photo Gallery