Air Weapons: JSOW Endures On Potential

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August 10, 2011: The U.S. Navy has bought 226 more AGM-154C1 JSOW (Joint Stand Off Weapon) for $378,000 each. Two years ago, the navy bought 350, for about $300,000 each. Three years ago Poland and Greece bought 118 JSOW. Poland is getting 78, Greece the rest. The JSOW is becoming a popular, if specialized, smart bomb, even though it has had little use in combat.

JSOW is basically a smart bomb with wings. That enables it to glide up to 130 kilometers from the aircraft dropping it. Range is about 50 kilometers if dropped from low altitude. JSOW also contains more elaborate fins and software that enables it to follow a specific route. Like the wingless JDAM smart bomb, JSOW uses GPS and inertial guidance (as a backup) to find its target. Like JDAM, JSOW will hit within 10 meters (31 feet) of its aiming point.

 There are three versions of JSOW. AGM-154A carries 145 bomblets that attack personnel and vehicles. AGM-154B contains six SADARM bomblets that seek out and destroy armored vehicles in an area 300 by 600 meters. This one costs $490,000 each. The AGM-154C carries a 361 kg (794 pound) warhead that can penetrate concrete or earth before detonating the high explosives it carries. This model contains a video link that allows for hitting very small targets (like going through a window). The C1 version is able to hit moving targets.

 Each JSOW weighs 500-618 kg (1,100-1,500 pounds), depending on type. Not a lot of JSOWs have been bought because there is not a lot of demand for them. The purpose of a standoff weapon is to keep the aircraft away from enemy anti-aircraft defenses (mainly missiles.) Some JSOW have been used in Iraq (between 1999 and 2003) and Afghanistan (2001). But in most cases, the much cheaper JDAM (about $26,000 each) does the job just as well. But against a better equipped foe, like China, Syria, Iran or North Korea, JSOW would be more useful.

 

 


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