U.S. Marines from the 2nd Marine Expeditionary Brigade, 1st Battalion 5th Marines pass by Afghani villagers in the Nawa district in Afghanistan's Helmand province Saturday, July 4, 2009. Taliban militants attacked a U.S. coalition base in eastern Afghanistan on Saturday with an explosives-laden truck that blew up outside the gates, sparking a two-hour gunbattle and killing two American troops, officials said. AP Photo logo AP Photo 31 months ago

U.S. Marines from the 2nd Marine Expeditionary Brigade, 1st Battalion 5th Marines pass by Afghani villagers in the Nawa district in Afghanistan's Helmand province Saturday, July 4, 2009. Taliban militants attacked a U.S. coalition base in eastern Afghanistan on Saturday with an explosives-laden truck that blew up outside the gates, sparking a two-hour gunbattle and killing two American troops, officials said.