Raad-2
"Raad"-2 ("Thunder-2") is an Iranian self-propelled howitzer. Design and development. In early September 1997 it was reported that Iran had successfully tested a locally built rapid fire mobile field gun known as "Raad"-2 (Thunder-2). It uses a turret that has a similar layout to the M109A1 155mm/39-cal self-propelled howitzer. The Iranian Defense Industries Organization claimed that the 155 mm HM44 howitzer manufactured by the Hadid facility of the Iranian Defense Industries Organization had a high firing rate and accuracy. It was described as being able to fire five rounds per minute. The gun's range was  reported as , and it also includes features such as a laser range-finder and a semi-automatic loading system. The gun looks exactly like 155mm/39-cal M185 gun from M109A1 and is fitted with a double baffle muzzle brake, fume extractor, screw breech mechanism, hydro-pneumatic recuperator and a hydraulic recoil brake. The vehicle uses a chassis based on the T-72, distinctive due to the cover of the cooling fan on the chassis.