Mark Sorenson, a U.S. AID worker has a conversation security guards from the Sons Of Iraq in KhaField Artilleryja, Iraq, March 14. U.S. Soldiers from 1-37 Field Artillery provided security for members from the U.S. Embassy, United Nations, Provincial Reconstruction Team, and International Organization for Migration, United Nations High Commissioner for Refugees and USAID workers to check on the progress of houses built for Internal Displaced Persons.