If an Excalibur projectile does not acquire adequate GPS signal, what happens to the round?

The correct choice describes the behavior of the Excalibur projectile when it does not acquire an adequate GPS signal. In such scenarios, the projectile is unable to establish its necessary guidance system, and therefore it cannot employ its precision-guided capabilities. Instead, it continues on its predetermined trajectory toward the calculated ballistic impact point; however, without having armed itself in flight, it will not detonate upon impact.

This is crucial for safety and operational integrity, as the projectile will remain unarmed, reducing the risk of unintended detonation. This design allows the projectile to safely impact the ground without causing an explosion, essentially rendering it a dud. Understanding this behavior is vital for operators and fire support team members to ensure they can manage munitions effectively and safely in dynamic combat environments.