What distinguishes the different types of JDAMs from one another?

The distinguishing factor among the various types of JDAMs, or Joint Direct Attack Munitions, is primarily related to their warheads. Different JDAMs are equipped with varying types of warheads to meet specific mission requirements. For example, some JDAMs may utilize high-explosive warheads designed for general use against a range of targets, while others may be fitted with specialized warheads such as penetrators for breaching hardened structures or fuel-air explosive warheads for achieving area effects. This diversity in warhead types allows for flexibility in targeting and enhances the effectiveness of JDAMs in different combat scenarios.

While guidance systems, fin configurations, and tail kits can also vary among JDAM types, they do not serve as primary distinguishing features in the same way that warheads do. Guidance systems primarily ensure precision strike capability, while fin configurations and tail kits may influence aerodynamic performance or stability but do not define the operational purpose as directly as the warhead type does. Thus, the correct answer emphasizes the critical aspect of warheads in differentiating between JDAM variants.