Shahab-4

The Shahab-4 (Persian: شهاب-۴, meaning "Meteor-4") aka IRIS is liquid propelled missile. It is an alleged platform for carrying Iran's first satellites into orbit.

The IRIS/Shahab-4 project may have resulted from the current Safir Iranian space rocket.

Variants
Shahab is the name of a class of Iranian missiles which began service in 1988 and comes in six variants: Shahab-1, Shahab-2, Shahab-3, Shahab-4, Shahab-5, and Shahab-6.