Since the mid-1980s Iran has sought to establish programs to develop weapons of mass destruction, including nuclear, biological, and chemical weapons (Iran used the latter in its war with Iraq), and by the late 1990s it had achieved some success in the domestic production of medium- and intermediate-range missiles???effective from 300 to 600 miles (480 to 965 km) and from 600 to 3,300 miles (965 t