In Close Air Support terminology, what is the meaning of "danger close"?

In Close Air Support terminology, "danger close" refers to the minimum distance to friendly forces when delivering air-launched munitions. This term highlights the risk involved when engaging targets that are in close proximity to friendly troops. The intent of defining this distance is to ensure that air support operations can be conducted effectively while minimizing the likelihood of friendly fire incidents.

The term is crucial for coordination between ground units and air support to ensure the safety of personnel on the ground. Knowing the "danger close" distance helps fire support teams make informed judgments about when and how to employ aerial munition without endangering their own forces.

While other choices may relate to various aspects of aerial operations, only the minimum distance to friendly forces accurately captures the essence of what "danger close" signifies in the context of Close Air Support.