In warfare, high-explosiveincendiary (HEI) is a type of ammunition specially designed to impart energy and therefore damage to its target in one or both
penetration effect is purely kinetic in nature; the round has no explosive or incendiary effect on the armor. As they rely on the kinetic energy of the
Highexplosive squash head (HESH) A high-explosive squash head (HESH), in British terminology, or a high-explosive plastic/plasticized (HEP), in American