U.S. Army Sgt. 1st Class Robert Russell crosses the Tarnek River in Qalat City, Afghanistan, July 9, 2011. Russell, a platoon sergeant, is a member of Provincial Reconstruction Team Zabul's security force.

Team members work with Afghan officials to to improve governance, stability and development throughout the province.

U.S. Air Force photo by Senior Airman Grovert Fuentes-Contreras