NATO's International Security Assistance Force (ISAF), said four were killed in attacks using improvised explosive devices, or IED, main weapon deployed by the Taliban, in their insurgency. ISAF spokeswomen confirmed the four were Americans. The incident occurred in southern Afghanistan, where war is at its fiercest, the ISAF statement said.
Death to bring the toll to 396 foreign soldiers who died during the war this year, compared with 520 for all of 2009. Calculation is based on the AFP, which are stored in the Web site icasualties.org puts the number of troops who have died since the beginning of the Afghan insurgency in 2001, 1964, with 1,204 of them Americans.