Importance

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Abstract

A gun-launched ballistically-stable spinning laser-guided munition is backward compatible with existing guns with rifled barrels as-deployed for unguided munitions of the same caliber, and will follow the same ballistic trajectory. This allows the laser-guided munitions to be used with the existing base of weapons systems and logistics. The munition comprises a plurality of explosive divert elements arranged around the bullet to produce a force vector through the center of mass (Cm) of the bullet, a SAL guidance system configured to measure a sequence of roll and nod angle pairs (or their equivalent) to the target, a processor configured to process the roll and nod angles to compute a firing solution for one or more of the divert elements to produce a force vector to laterally displace the bullet to drive the nod angle to a prescribed value and a fire controller configured, once its operational mode is initiated, to fire the one or more explosive divert elements according to the firing solution to laterally displace the bullet without affecting the bullet's angle of attack and destabilizing the bullet.

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First Claim