What are the operational ranges of different ammunition types for the M777A2?

The operational ranges of different ammunition types for the M777A2 Howitzer vary significantly based on the specific type of shell being used. The M777A2 is capable of firing a range of projectiles, including high-explosive, illumination, and guided munitions.

For conventional high-explosive shells, the operational range can indeed extend from approximately 15 kilometers to 40 kilometers, especially when using advanced projectile types such as the Excalibur guided shell, which can achieve greater distances with pinpoint accuracy. This range advantage makes the M777A2 effective for a variety of artillery support roles on the battlefield, allowing it to engage targets effectively from a safe distance.

Other ranges that might be associated with the M777A2’s capabilities, such as those provided in the other choices, do not encompass the full potential of the artillery system, as they either underestimate the effective range or apply to specific, less capable types of ammunition. It is crucial to be aware of these distinctions to understand the M777A2's operational effectiveness comprehensively.