RDF Sourcebook contains: A map of southern Iran. Character generation tables for Americans (USMC, USN, and USAF), British, Iranians, Iraqis, and others. An Order of Battle for the remaining forces in the area: U.S., Soviet, Iranian, Iraqi, Saudi, and the British, among others. Details and specifications in Twilight: 2000 terms, of over 30 vehicles and weapons, including selected French, Israeli, British, German, and Brazilian equipment. Short descriptions of the major personalities and organizations opposing each other in the Persian Gulf. A mission resolution system, allowing referees to take their players on a variety of military missions, ranging from conventional patrol and escort missions to special operations deep behind the enemy lines.