An Afghan army soldier poses after swimming in a canal near the joint Afghan-U.S. base COP Nolen, in the volatile Arghandab Valley, Kandahar, Afghanistan, Thursday, July 22, 2010. (AP Photo/Rodrigo Abd)

Photo by: Rodrigo Abd

An Afghan army soldier poses after swimming in a canal near the joint Afghan-U.S. base COP Nolen, in the volatile Arghandab Valley, Kandahar, Afghanistan, Thursday, July 22, 2010. (AP Photo/Rodrigo Abd)