The Shahab-3 is a family of liquid-fueled ballistic missiles developed by Iran, under the IRGC, and based upon the North Korean Nodong-1/A and Nodong-B missiles. The Shahab-3 family has a range of 1,000-2,000 kilometres (1,200 mi). It was tested from 1998 to 2003 and added to the military arsenal on 7 July 2003, with an official unveiling by Ayatollah Khamenei on July 20. It has an estimated accuracy of about 2,500m CEP.