What should be done if an ammunition package is deemed unsafe?

When an ammunition package is determined to be unsafe, the most appropriate course of action is to not use it. Safety is the highest priority in any training or operational environment, particularly when it pertains to firearms and ammunition. Using unsafe ammunition can lead to malfunctions, accidents, and potentially catastrophic outcomes, posing a serious risk to personnel and equipment.

By refraining from using the unsafe ammunition, it ensures that no one is put in harm's way, and it allows for further assessment of the ammunition package. Additionally, notifying the appropriate authorities or Range Control about the unsafe condition can help facilitate proper handling and disposal, ensuring that safety protocols are followed and that similar issues are addressed in the future.

The other options would not adequately address the inherent risks associated with unsafe ammunition. Storing it for later use, using it under supervision, or merely labeling it does not mitigate the danger posed by potentially defective or hazardous ammunition. Therefore, the best and safest action is to take the approach of not using it at all.