Veterans seeking answers about Gulf War Syndrome have secured key commitments from the Department of Defense (DOD) in their fight to understand the disease. According to a letter sent to Vietnam Veterans of America (VVA), the DOD has agreed to change the guidance about veterans' potential exposure to chemical weapons during the 1990-1991 conflict, and has also said it will restore and try to find further classified documents about the war. It follows a campaign by VVA to warn veterans they were