Summarizes the frequency of unexplained illnesses (about 3000) and lists the most commonly reported symptoms among veterans evaluated by the DVA (17248 to that point). Describes the components of the uniform case assessment protocol being used by DVA and DOD for GW veterans. Discusses the possible health risks unique to the GW, including living conditions, threat of chemical and biological warfare, nerve agent prophylaxis and immunizations, infectious diseases, and environmental hazards (oil well fires, pesticides, petrochemicals, depleted uranium, microwaves, paints, decontamination solution 2, and airborne allergens and irritants.) Summarizes the DVA and DOD evaluation programs, research initiatives, and previous governmental review activities.