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For contact ammunition, the exhaustive characteristic that defines their destructive effect on single small‐size targets is the conditional damage law G(m), which is understood to be the probability of damaging a target that is hit by m projectiles [2]. The conditional damage law simultaneously determines both the destructive power and the degree of vulnerability of the target to the projectile attack. The G(m) function only makes sense for integer m, but for clarity, all points in the smooth curve are usually connected, as shown in Figure I.1.

A convenient numerical characteristic of the conditional damage law is the average number of hits required for destroying a target:

(I.1)

Figure I.1 Type of conditional damage low.

Source: From Wentzel [2].

The higher the ordinates of the damage law values are, the lower the value of ω. The value of ω, being an integral characteristic of the conditional damage law, fully determines the destructive effect of the projectile and the vulnerability of the target. The more powerful the projectile and the more vulnerable the target is, the lower the average number of hits is required.