Patent ID: 7347906

Claim:
A warhead, comprising: an inner core of explosive material comprising an explosive formulation having a heat of combustion from at least about 16 kcal/cc where said inner core of explosive material producing a detonation pressure when initiated at most about 10 kbar; a central region comprising a central region explosive material where the central region is situated within the inner core of explosive material, wherein the central region explosive material is radially graded into the inner core of explosive material so that a formulation between the central region and the inner core of explosive material comprises a mixture of the central region explosive material and the inner core of explosive material, which increases in the percentage of central region explosive material radially approaching the central region and increases in percentage of the inner core of explosive material moving radially approaching the inner core moving radially away from the central region; an outer annulus edge explosive material comprising an explosive formulation having a heat of detonation of at least 2.1 kcal/cc, a heat of combustion of at least about 5 kcal/cc and producing a detonation pressure when initiated of at least about 270 kbar, wherein the outer annulus edge explosive material is radially graded into the inner core of explosive material where the outer annulus edge explosive material is situated outside the inner core of explosive material so that a formulation between the outer annulus edge explosive material and the inner core of explosive material comprises a mixture of the outer annulus edge explosive material and the inner core of explosive material, which increases in the percentage of the outer annulus edge explosive material moving radially away from the inner core of explosive material and increases in percentage of the inner core explosive material moving radially towards the central region; a warhead casing surrounding the outer annulus explosive material; a first initiation system comprising a first booster explosive being positioned proximate to the central region, and a first detonator for initiating the first booster explosive; and, a second initiation system comprising a second booster explosive contacting the outer annulus edge explosive material and a detonator for initiating the second booster explosive.