AP photo
U.S. Marines from the 2nd Marine Expeditionary Battalion walk through the sand Monday inside Camp Leatherneck in Afghanistan's Helmand province. Some 7,000 of the new U.S. troops ordered to Afghanistan are fanning out across the dangerous south on a mission to defeat the Taliban insurgency and to change the course of a war claiming American lives at a record pace.
Read the article: Marines patrol Afghan desert
