Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Naze'at are a series of Iranian-made artillery rocket with an estimated range of 100 km. There are two known variants, named Naze'at 6-H and Naze'at 10-H, each with different specifications. Like Zelzals, Naze'at rockets don't have a guidance system. Zelzal-2 (Persian: - , meaning "Earthquake") is an unguided Iranian 610 mm heavy artillery rocket that can carry a 600 kg (1,323 lb) warhead an estimated 210 km (130 mi). The missile is thought to be based on the Soviet FROG-7 missile, with development begun in 1990.