M198, and the M114A2 howitzers. This projectile has a manufacturer-installed internal fuze, but in all other ways
it is the same as any other separate-loading projectile. A propelling charge and a primer are still required to
assemble a complete round. The projectile consists of three main sections-the guidance section, the all-steel
warhead section, and the control section. After launch, the projectile receives and decodes laser energy from the
target, and guides itself to impact. The target is laser-illuminated by a separate designator. The color code for
the M712 Copperhead projectile is a black body with yellow markings. Its DODIC is D510.
Figure 2-41. 155mm Copperhead.
8-Inch Cartridges. These projectiles are designed for use against personnel and material. They produce
both blast and fragmentation effects.
An example of an 8-inch HE projectile is shown in Figure 2-42. The M106 projectile has forged-steel body with a
streamlined ogive, a boattail base, and an eyebolt lifting plug. A base cover is welded to the base for added
protection against hot gases entering the explosive cavity. The color code for the M106 is an olive-drab body with
yellow markings. Its DODIC is D680.
MM0145
2-52
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