Shoulder-launched Multipurpose Assault Weapon
SMAW being used by US Marines
Type Multi-role (anti-fortification, anti-armor) Place of origin United States Service history In service 1984–present Used by See Users Wars Gulf War
War in Afghanistan (2001-present)
Production history Designer Israel Military Industries Manufacturer Talley Defense Systems (Nammo Talley) Specifications Weight 7.69 kg (16.92 lbs) Length 760 mm (29.92 in) Crew 2 Caliber 83.5 mm (fires 83 mm rockets) Muzzle velocity 220 m/s Effective range 500 m Sights Iron (250 m), telescopic (3.8× magnification), night vision External images SMAW The first photos of the concept SMAW released by the US Navy - left side The first photos of the concept SMAW released by the US Navy - right side Major Components of the SMAW Effect of SMAW HEDP warhead on earthen bunker
The Shoulder-Launched Multipurpose Assault Weapon (SMAW) is a shoulder-launched rocket weapon, based on the Israeli B-300, with the primary function of being a portable assault weapon (e.g. bunker buster) and a secondary anti-armor rocket launcher. It was introduced to the United States armed forces in 1984. It has a maximum range of 500 metres (550 yd) against a tank-sized target.
It can be used to destroy bunkers and other fortifications during assault operations as well as other designated targets with the dual mode rocket and to destroy main battle tanks with the HEAA rocket. Recent operations in Afghanistan and Iraq have seen a thermobaric rocket added (described as NE—"Novel Explosive"), which is capable of collapsing a building.
The SMAW system (launcher, ammunition and logistics support) was fielded in 1984 as a United States Marine Corps–unique system. The Mod-0 demonstrated several shortcomings, resulting in a series of modifications in the mid 2000s. These modifications include a re-sleeving process for bubbled launch tubes, rewriting/drafting operator and technical manuals, and a kit to reduce environmental intrusion into the trigger mechanism. This also includes an optical sight modification to allow the new HEAA rocket to be used effectively against moving armor targets. The U.S. military recently fielded new boresight bracket kits which, when installed, correct the loss of accurate boresight issues between the launch tube and spotting rifle. During Operation Desert Storm 150 launchers and 5,000 rockets were deployed to the United States Army. Since then the Army has shown increased interest in the system.
Follow-On To SMAW
In 2002, the Corps began a program to develop a successor to the SMAW system, tentatively titled "Follow-On To SMAW". The contract was awarded to Lockheed Martin and IMI and thus resulted in the enhanced FGM-172 SRAW. In combat operations it was ultimately used to augment rather than to replace existing SMAW inventories.
SMAW II program
In 2008 a replacement program was again initiated and titled the SMAW II. Developed in tandem with a round capable of being fired from an enclosed area without ill effects on environment and personnel. It weighs a combined 29.7 pounds (13.5 kg) (11.7 pounds for the launcher, 18 pounds for the rocket) and the contract is worth US$51.7 million providing the U.S. Marine Corps is satisfied with testing and follows through with plans to buy 1,717 new launchers.
SMAW II Serpent
Raytheon and Vectronix under the direction of Nammo-Talley Defense Systems are working in coordination on the SMAW II project to develop the newest launcher. Nammo-Talley Defense Systems is developing the new rounds. The SMAW II launcher is called "Serpent" by the developing companies, and is similar in many respects to the first SMAW launcher, except it replaces the standard SMAW launcher's spotting gun with a sophisticated non-detachable laser-ranging unit by Vectronic which is linked to a ballistic computer by Raytheon. The sighting unit is enclosed on the launcher in a unique roll-cage to protect it. From videos the roll-cage also serves as a carry handle. Development teams claim that over-all weight is reduced by four and one half pounds from the older SMAW launcher. The "Serpent" fires the same rounds as the standard SMAW and supports new and improved/enhanced rounds. Raytheon at AUSA 2010 convention stated it would be ready for deployment by 2012.
The Shoulder-launched Multipurpose Assault Weapon has an 83.5mm tube and fires 83-millimetre (3.3 in) rockets. It is a man-portable weapon system consisting of the MK153 launcher, the MK 3 encased HEDP rocket, the MK 6 encased HEAA rocket, and the MK217 spotting rifle cartridge. The launcher consists of a fiberglass launch tube, a 9mm spotting rifle, an electro-mechanical firing mechanism, open battle sights and a mount for the MK42 Day Sight and AN/PVS-17B night sights.
The SMAW MK153 Mod 0 launcher, based on Israel Military Industries' B-300 weapon, consists of the launch tube, the spotting rifle, the firing mechanism and mounting brackets. The launch tube is made of fiberglass-epoxy composite material with a gelcoat on the bore. The spotting rifle, a British design (derived from the LAW 80), is mounted on the right side of the launch tube. The firing mechanism mechanically fires the spotting rifle and uses a magneto to fire the rocket. The mounting brackets connect the components and provide the means for boresighting the weapon while the encased rockets are loaded at the rear of the launcher. The spotting cartridges are stored in a magazine in the cap of the encased rocket.
The 9mm spotting round is ballistically matched to the rocket and serves to increase the gunner's first-round hit probability. Each round consists of a special 9mm tracer bullet, crimped into a 7.62x51mm NATO casing with a .22 Hornet blank cartridge for propellant. The system can be used in conjunction with the AN/PEQ-4 aiming light in place of the spotting rifle.
Training is accomplished with the MK7 Mod 0 encased common practice rocket and the MK213 Mod 0 noise cartridge. At 152.3 decibels, the weapon is one of the loudest on the battlefield, second only to a mine-clearing line charge.
Like many other rocket weapons, backblast is a significant safety concern. The backblast extends in a 90-meter, 60° cone to the rear of the weapon. The backblast is lethal out to 30 metres (98 ft), and still extremely dangerous to 90 metres (300 ft). The resultant shock wave can even cause sympathetic detonation of unsecured ammunition.
The High Explosive, Dual Purpose (HEDP) rocket is effective against bunkers, masonry and concrete walls and light armor. Initiated by a crush switch in its nose the HEDP rocket is able to distinguish between hard and soft targets resulting in greater penetration into soft targets for increased damage potential. The HEDP round is capable of penetrating 2 centimetres (0.79 in) of concrete, 30 centimetres (12 in) of brick or up to 210 centimetres (6.9 ft) of wood-reinforced sandbags.
The High Explosive Anti-Armor (HEAA) rocket is effective against current tanks without additional armor and utilizes a standoff rod on the detonator, allowing the explosive force to be focused on a small point and for maximum damage against armored targets. The HEAA round is capable of penetrating up to the equivalent of 60 centimetres (24 in) of rolled homogeneous steel.
The Novel Explosive (SMAW-NE) rocket is effective against caves and bunkers. The SMAW-NE uses a thermobaric warhead which produces an overpressure wave capable of collapsing a lightly constructed building. The Naval Surface Warfare Center teamed with the Marine Corps Systems Command, NSWC Dahlgren and Talley Defense Systems responded to an urgent U.S. Marine Corps need for a shoulder-launched enhanced-blast warhead in 2003. It was used in combat during both the First and Second offensives in Fallujah 2004.
- ^ GlobalSecurity.org
- ^ "Follow-On To SMAW (FOTS) - Global Security". http://www.globalsecurity.org/military/systems/ground/fots.htm.
- ^ "LOCKHEED MARTIN TO DEVELOP FOLLOW-ON TO SHOULDER-LAUNCHED MULTI-PURPOSE ASSAULT WEAPON FOR U.S. MARINE CORPS". http://www.lockheedmartin.com/news/press_releases/2003/LockheedMartinDevelopFollowOnShould.html.
- ^ Lamothe, Dan (November 8, 2010). "Redesigned SMAW II set for review". Marine Corps Times. http://www.marinecorpstimes.com/news/2010/11/marine-smaw-2-closer-to-production-110710/. Retrieved 8 November 2010.
- ^ DefenseNews video at Association of the US Army 2010 Convention
- ^ Accurate and Safe Alternative Targeting Solution for Man Portable Rocket Weapon (PDF file)
- ^ 9 x 51mm SMAW - International Ammunition Association
Current U.S. infantry weapons and cartridges
- This article incorporates public domain material from websites or documents of the United States Marine Corps.
Handguns Rifles Shotguns Submachine guns Machine guns Grenade launchers Mortars Rockets Missiles Cartridges
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