rocket and missile system

Antitank and guided assault weapons system
Tactical guided missiles » Guided-missile systems » Antitank and guided assault

One of the most important categories of guided missile to emerge after World War II was the antitank, or antiarmour, missile. The guided assault missile, for use against bunkers and structures, was closely related. A logical extension of unguided infantry antitank weapons carrying shaped-charge warheads for penetrating armour, guided antitank missiles acquired considerably more range and power than their shoulder-fired predecessors. While originally intended for issue to infantry formations for self-protection, the tactical flexibility and utility of guided antitank missiles led to their installation on light trucks, on armoured personnel carriers, and, most important, on antitank helicopters.

The first guided antitank missiles were controlled by electronic commands transmitted along extremely thin wires played out from a spool on the rear of the missile. Propelled by solid-fuel sustainer rockets, these missiles used aerodynamic fins for lift and control. Tracking was visual, by means of a flare in the missile’s tail, and guidance commands were generated by a hand-operated joystick. In operating these missiles, the gunner simply superimposed the tracking flare on the target and waited for impact. The missiles were typically designed to be fired from their carrying containers, with the total package small enough to be carried by one or two men. Germany was developing weapons of this kind at the end of World War II and may have fired some in battle.

After the war French engineers adapted the German technology and developed the SS-10/SS-11 family of missiles. The SS-11 was adopted by the United States as an interim helicopter-fired antitank missile pending the development of the TOW (for tube-launched, optically tracked, wire-guided) missile. Because it was designed for greater range and hitting power, TOW was mounted primarily on vehicles and, particularly, on attack helicopters. Helicopter-fired antitank missiles were first used in combat when the U.S. Army deployed several TOW-equipped UH-1 “Hueys” to Vietnam in response to the 1972 communist Easter offensive. TOW was the principal U.S. antiarmour munition until Hellfire, a more sophisticated helicopter-fired missile with semiactive laser and passive infrared homing, was mounted on the Hughes AH-64 Apache attack helicopter in the 1980s.

The British Swingfire and the French-designed, internationally marketed MILAN (missile d’infanterie léger antichar, or “light infantry antitank missile”) and HOT (haut subsonique optiquement téléguidé tiré d’un tube, or “high-subsonic, optically teleguided, tube-fired”) were similar in concept and capability to TOW.

The Soviets developed an entire family of antitank guided missiles beginning with the AT-1 Snapper, the AT-2 Swatter, and the AT-3 Sagger. The Sagger, a relatively small missile designed for infantry use on the lines of the original German concept, saw use in Vietnam and was used with conspicuous success by Egyptian infantry in the Suez Canal crossing of the 1973 Arab-Israeli War. The AT-6 Spiral, a Soviet version of TOW and Hellfire, became the principal antiarmour munition of Soviet attack helicopters.

Many antitank missile systems of later generations transmitted guidance commands by radio rather than by wire, and semiactive laser designation and passive infrared homing also became common. Guidance and control methods were more sophisticated than the original visual tracking and manual commands. TOW, for example, required the gunner simply to centre the reticle of his optical sight on the target, and the missile was tracked and guided automatically. Extremely thin optical fibres began to replace wires as a guidance link in the 1980s.

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"rocket and missile system." Encyclopædia Britannica. 2009. Encyclopædia Britannica Online. 04 Mar. 2009 <http://www.britannica.com/EBchecked/topic/1357360/rocket-and-missile-system>.

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rocket and missile system. (2009). In Encyclopædia Britannica. Retrieved March 04, 2009, from Encyclopædia Britannica Online: http://www.britannica.com/EBchecked/topic/1357360/rocket-and-missile-system

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