At first, Moghaddam designed missiles that were reverse-engineered, producing the Shahab-1 from the Scud-B. He then developed the Shahab-2 and the Zelzal missiles (Zelzal-1, Zelzal-2, and Zelzal-3).
At first, Moghaddam designed missiles that were reverse-engineered from non-native Scud missiles. He produced the Shahab-1 from the Scud-B, and then developed the Shahab-2 and the Zelzal missiles (Zelzal-1, Zelzal-2, and Zelzal-3).