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An armor system for defeating a solid projectile having a first armor plate, an interior armor plate, and an inner armor plate displaced from one another to form a first dispersion space between the first armor plate and the interior armor plate. The first dispersion space is sufficiently thick to a

An armor system for defeating a solid projectile having a first armor plate, an interior armor plate, and an inner armor plate displaced from one another to form a first dispersion space between the first armor plate and the interior armor plate. The first dispersion space is sufficiently thick to allow significant lateral dispersion of armor passing therethrough. The inner armor plate is disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate. The second dispersion space is sufficiently thick to allow significant lateral dispersion of materials passing therethrough.

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1. An armor system for defeating a solid projectile, said system comprising: a first solid armor plate;an interior solid armor plate disposed approximately parallel to the first armor plate and displaced therefrom to form a first dispersion space between the first armor plate and the interior armor

1. An armor system for defeating a solid projectile, said system comprising: a first solid armor plate;an interior solid armor plate disposed approximately parallel to the first armor plate and displaced therefrom to form a first dispersion space between the first armor plate and the interior armor plate, the first dispersion space being sufficiently thick to allow significant lateral dispersion of material passing though the first dispersion space; andan inner solid armor plate disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate, the second dispersion space being sufficiently thick to allow significant lateral dispersion of materials passing therethrough; andwherein at least one of the first, interior, or inner solid armor plates comprises a material having an elongation at tensile rupture of greater than 7% and an ultimate tensile strength greater than 50,000 lbs./in.2; andwherein a plurality of spheres is located in the first dispersion space, the spheres including a material selected from the group of brittle metal, ceramic, and glass. 2. The system of claim 1 wherein the first and the interior armor plates each have an elongation at tensile rupture of greater than 7%. 3. The system of claim 1 wherein the first armor plate consists essentially of a material selected from the group consisting of: a ceramic, an aluminum alloy, a steel alloy, a titanium alloy, a metal matrix composite, and a polymer matrix composite. 4. The system of claim 1 wherein the interior and inner armor plates have an elongation at tensile rupture of greater than 10%. 5. The system of claim 1 wherein the each of the plates are inclined with respect to the anticipated trajectory of the projectile. 6. The system of claim 5 wherein the each of the plates are inclined at an angle of 20° or more with respect to the anticipated trajectory of the projectile. 7. The system of claim 1 wherein said first plate comprises steel having an elongation at tensile rupture of more than 10% and an ultimate tensile strength greater than 50,000 lbs./in.2. 8. The system of claim 1 wherein the spheres are surrounded by a material selected from the group of: a liquid and a gel, said material having a velocity of forced shock greater than 1,000 meters/sec. 9. The system of claim 1 further including an electrically conductive member disposed in the dispersion space between two adjacent armor plates, a source of electrical power disposed to apply electrical power to either of the two adjacent armor plates or the electrically conductive member, the source of electrical power being disposed to supply sufficient electrical power to disperse at least a portion of an elongated projectile making electrical connection between at least one of the two adjacent armor plates and the electrically conductive member. 10. The system of claim 1 where each of the armor plates are comprised of materials having different values for the velocity of a forced shock wave passing therethrough. 11. The system of claim 1 wherein the system is affixed to the exterior of an armored vehicle. 12. The system of claim 11, wherein the vehicle includes a body and the body includes a layer of sheet armor affixed to the interior surface of the body. 13. The system of claim 12, wherein the sheet armor affixed to the interior surface of the body comprises a rigid polymer/fiber composite. 14. The system of claim 12, wherein the sheet armor affixed to the interior surface of the body comprises a woven fabric comprised of fiber. 15. The system of claim 12, wherein the sheet armor affixed to the interior surface of the body comprises a woven fabric comprised of fiber and a plurality of ceramic plates. 16. The system of claim 12, wherein the sheet armor is spaced from the interior surface to form a gap. 17. The system of claim 12, wherein the vehicle is a blast-resistant armored land vehicle having a monocoque body comprised of sheet armor, the body having a bottom portion defining at least one V, with the apex of the V substantially parallel to the centerline of the vehicle. 18. An armor system for defeating a solid projectile, said system comprising: a first solid armor plate;an interior solid armor plate disposed approximately parallel to the first armor plate and displaced therefrom to form a first dispersion space between the first armor plate and the interior armor plate, the first dispersion space being sufficiently thick to allow significant lateral dispersion of material passing though the first dispersion space;an inner solid armor plate disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate, the second dispersion space being sufficiently thick to allow significant lateral dispersion of materials passing therethrough; andan outer armor plate, on the outer surface of said first plate, said outer armor plate having an elongation at tensile rupture of less than 5% and an ultimate tensile strength greater than 100,000 lbs./in.2; andwherein at least one of the first, interior, or inner solid armor plates comprises a material having an elongation at tensile rupture of greater than 7% and an ultimate tensile strength greater than 50,000 lbs./in.2. 19. An armor system for defeating a solid projectile, said system comprising: a first solid armor plate;an interior solid armor plate disposed approximately parallel to the first armor plate and displaced therefrom to form a first dispersion space between the first armor plate and the interior armor plate, the first dispersion space being sufficiently thick to allow significant lateral dispersion of material passing though the first dispersion space; andan inner solid armor plate disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate, the second dispersion space being sufficiently thick to allow significant lateral dispersion of materials passing therethrough; andwherein at least one of the first, interior, or inner solid armor plates comprises a material having an elongation at tensile rupture of greater than 7% and an ultimate tensile strength greater than 50,000 lbs./in.2; andwherein said first plate comprises an aluminum alloy having an elongation at tensile rupture of more than 10% and an ultimate tensile strength greater than 30,000 lbs./in.2. 20. An armor system for defeating a solid projectile, said system comprising: a first solid armor plate;an interior solid armor plate disposed approximately parallel to the first armor plate and displaced therefrom to form a first dispersion space between the first armor plate and the interior armor plate, the first dispersion space being sufficiently thick to allow significant lateral dispersion of material passing though the first dispersion space; andan inner solid armor plate disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate, the second dispersion space being sufficiently thick to allow significant lateral dispersion of materials passing therethrough; andwherein at least one of the first, interior, or inner solid armor plates comprises a material having an elongation at tensile rupture of greater than 7% and an ultimate tensile strength greater than 50,000 lbs./in.2; andwherein at least one of the first, interior, or inner armor plates has at least one of an outer surface opposite a dispersion space or an inner surface facing a dispersion space, including a plurality of projections on the outer surface or the inner surface, the projections being disposed to at least partially fragment solid projectiles impinging on the outer surface of the armor plate or erupting through the inner surface of the armor plate. 21. The system of claim 20 wherein the surface of the inner armor plate facing the dispersion space includes a plurality of projections on the inner surface, the projections being disposed to disperse solid material impinging on the outer surface of the inner armor plate. 22. An armor system for defeating a solid projectile, said system comprising: an outer armor plate comprised of an alloy of aluminum having an ultimate tensile strength greater than 30,000 lbs./in.2 and a thickness in the range of from 8 to 40 millimeters;an interior armor plate comprised of an alloy of aluminum having an ultimate tensile strength greater than 30,000 lbs./in.2 and a thickness in the range of from 8 to 40 millimeters, the interior armor plate being disposed approximately parallel to the outer armor plate and displaced therefrom to form a first dispersion space between the outer armor plate and the interior armor plate a distance of from 25 to 150 millimeters;an inner armor plate comprised of an alloy of aluminum having an ultimate tensile strength greater than 30,000 lbs./in.2 and a thickness in the range of from 8 to 40 millimeters, the inner armor plate being disposed approximately parallel to the interior armor plate and displaced therefrom to form a second dispersion space between the interior armor plate and the inner armor plate a distance of from 25 to 150 millimeters; anda steel armor plate comprised of an alloy of steel having an elongation at tensile rupture of greater than 10%, the steel armor plate being disposed approximately parallel to the inner armor plate and displaced therefrom to form a third dispersion space between the inner armor plate and the steel armor plate a distance of from 5 to 50 millimeters. 23. The system of claim 22 including a plurality of spheres located in the first dispersion space, the spheres consisting essentially of a material selected from the group of brittle metal, ceramic, and glass. 24. The system of claim 22 including a plurality of spheres located in the second dispersion space, the spheres consisting essentially of a material selected from the group of brittle metal, ceramic, and glass. 25. The system of claim 23 or 24 wherein the spheres are surrounded by a material selected from the group consisting of: a liquid and a gel, said material having a velocity of forced shock greater than 1,000 meters/sec. 26. The system of claim 22 further including an electrically conductive member disposed in the dispersion space between two adjacent armor plates, a source of electrical power disposed to apply electrical power to either of the two adjacent armor plates or the electrically conductive member, the source of electrical power being disposed to supply sufficient electrical power to disperse at least a portion of an elongated projectile making electrical connection between at least one of the two adjacent armor plates and the electrically conductive member. 27. The system of claim 22 wherein the system is affixed to the exterior of an armored vehicle wherein the body of the armored vehicle comprises the steel armor layer. 28. The system of claim 27, wherein the vehicle includes a body and the body includes a layer of sheet armor adjacent the interior surface of the body. 29. The system of claim 27, wherein the sheet armor adjacent the interior surface of the body comprises a rigid polymer/fiber composite. 30. The system of claim 27, wherein the sheet armor adjacent the interior surface of the body comprises a woven fabric comprised of fiber. 31. The system of claim 27, wherein the sheet armor adjacent the interior surface of the body comprises a woven fabric comprised of fiber and a plurality of ceramic plates. 32. The system of claim 27, wherein the sheet armor adjacent the interior surface of the body is spaced from the interior surface to form a gap. 33. The system of claim 27, wherein the vehicle is a blast-resistant armored land vehicle having a monocoque body comprised of steel sheet armor, the body having a bottom portion defining at least one V, with the apex of the V substantially parallel to the centerline of the vehicle.