What does the term "ready-service" refer to in the context of ordnance?

The term "ready-service" in the context of ordnance refers to a condition where the ordnance has been made fully prepared for employment. This involves ensuring that the ammunition or weapon system is not only accessible but is also in a state where it can be deployed quickly and effectively when required.

Being in a "ready-service" condition typically means that necessary preparations have been completed, such as loading, arming, and making systems operational, allowing for immediate use. This status is crucial for military operations where timely response can be the difference between success and failure.

Other options provide different interpretations related to ordnance but do not accurately capture the essence of "ready-service." For instance, the concept of secure storage implies safety and protection, while disarming denotes a lack of readiness. Similarly, a period of readiness before an operation refers to a scheduling aspect rather than an immediate executable condition of ordnance. Therefore, the definition centered on being primed for immediate action is what makes the correct choice stand out.