A case narrative is a report of what we know today about specific events that took place during the Gulf War of 1990 and 1991. A case narrative focuses on a particular incident and can include personnel interviews, reviews of official documents from various commands and agencies, collection of scientific data, and original research. From a broader perspective, a case narrative is part of our overall effort to inform the public about the progress being made to solve the many mysteries of 1990-1991 Gulf War illnesses.