Also al-Husayn or El-Hossein. Iraqi-modified Scud-B. Length is 40 ft (12.2 m); weight, 5,432 lb (7,000 kg). Effective range increased to 324 nm (373 mi, 600 km). Payload decreased, possibly to 298 lb (135 kg), later improvements raised ayload to 551-1,102 lb (250-500 kg). Carries an HE or chemical warhead. Its CEP is approximately 0.27-0.54 nm (500-1,000 m). The missile is truck-mounted. IOC in 1988. Approximately 200 Al-Husseins were launched at Iranian cities between February 29, 1998, and mid-April of that year. Several dozen were fired against Israel and Saudi Arabia in January-February 1991.