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Shahab-3A

Shahab-3
Shahab-3 Missle by YPA.IR 02 (cropped).jpg
Type Strategic MRBM
Service history
In service 2003–present
Used by Iran
Production history
Manufacturer Iran
Variants A,B,C,D
Specifications
Diameter 1.2 m (3 ft 11 in)
Warhead One (990 kg or 2,180 lb) – five cluster warheads in new models (280 kg or 620 lb) each warhead, each warhead can target different destinations.

Engine Liquid propellant rocket
Operational
range
1,930 km (1,200 mi)
Flight altitude 400 km
Speed 2.4 km/s at altitude 10–30 km in final stage which is about mach 7
Guidance
system
inertial navigation system
Accuracy 2,500 m CEP

The Shahab-3 (Persian: Ŝahāb 3‎‎; shahâb means "meteor") is a medium-range ballistic missile (MRBM) developed by Iran and based on the North Korean Nodong-1. The Shahab-3 has a range of 1,280 kilometres (800 mi); a MRBM variant can now reach 1,930 kilometres (1,200 mi). It was tested from 1998 to 2003 and added to the military arsenal on July 7, 2003, with an official unveiling by Khamenei on July 20. With an accuracy of 2,500 m CEP, the Shahab-3 missile is primarily effective against large, soft targets (like cities).

The forerunners to this missile include the Shahab-1 and Shahab-2. The then-Iranian Defense Minister Admiral Shamkhani has denied that Iran plans to develop a Shahab-4. Some successors to the Shahab have longer range and are also more maneuverable.

Operating under the Sanam Industrial Group (Department 140), which is part of the Defense Industries Organization of Iran, the Shahid Hemmat Industrial Group (SHIG), led the development of the Shahab missile.

US Air Force National Air and Space Intelligence Center estimates that as of June 2017 less than 50 launchers were operationally deployed.

The Shahab-3B differs from the basic production variant. It has improvements to its guidance system and warhead, a few small changes on the missile body, and a new re-entry vehicle whose terminal guidance system and rocket-nozzle steering method are completely different from the Shahab-3A's spin-stabilized re-entry vehicle.

The new re-entry vehicle uses a triconic aeroshell geometry (or "baby bottle" design) which improves the overall lift to drag ratio for the re-entry vehicle. This allows greater range maneuverability which can result in better precision. The triconic design also reduces the overall size of the warhead from an estimated 1 metric ton (2,200 lb) to 700 kg (1,500 lb).


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