A U.S. Marine pours water on a fellow Marine from the 2nd Marine Expeditionary Brigade, 1st Battalion 5th Marines, who was suffering from heat exhaustion as they walked with heavy packs for miles in the Nawa district in Afghanistan's Helmand province Saturday July 4, 2009. The Marine recovered and were able to continue on with their fellow Marines. AP Photo logo AP Photo 4 months ago

A U.S. Marine pours water on a fellow Marine from the 2nd Marine Expeditionary Brigade, 1st Battalion 5th Marines, who was suffering from heat exhaustion as they walked with heavy packs for miles in the Nawa district in Afghanistan's Helmand province Saturday July 4, 2009. The Marine recovered and were able to continue on with their fellow Marines.