What is a defining characteristic of HEAT munitions?

HEAT, or High-Explosive Anti-Tank, munitions are designed with a specific mechanism that allows them to effectively penetrate armored targets. A defining characteristic of HEAT munitions is the included primed block at the rocket motor. This block serves a key role in the functioning of the munition; it facilitates the detonation of the explosive charge at the moment of impact, which is vital for maximizing the munition's effectiveness against armored vehicles or fortifications.

The principle of shaped charge technology used in HEAT munitions focuses on concentrating explosive energy into a narrow jet that penetrates armor. The primed block ensures that this energy is directed appropriately when the munition reaches its target, enhancing the lethality of the device.

Other characteristics such as weight and compactness can vary widely among different models of HEAT munitions and do not define them universally. Similarly, the ability to be reused is not inherent to HEAT munitions, as many are single-use and designed to be expended upon firing. Thus, the unique feature of having a primed block at the rocket motor is a distinguishing factor that highlights the functionality of HEAT munitions in combat scenarios.