Iran’s first efforts in extending the range of the Shahab-3 manifested in what some have variously referred to as the Ghadr-1. The Shahab-3 variant is road-mobile, liquid-fueled, and single-stage, and it is believed by some experts to carry a smaller payload and a modified reentry vehicle (RV). More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.