He would serve as an officer and military journalist for the Israel Defense Force during The Gulf War in 1991, providing material to foreign correspondents, James Baker's office and then Israeli spokesman and current Prime Minister Benjamin Netanyahu. Dvir's grandfather, a holocaust survivor, had fought in the 1948 Arab–Israeli War, and his experiences would have an influence on Dvir's work. “It really started as an interview with my grandfather. At that time I wasn’t even making documentaries."