Which node is responsible for enabling coordination at the battalion level?

The Battalion Command Post Node (CPN) is specifically designed to facilitate command and control at the battalion level. Its primary function is to provide seamless communication and coordination among various units within the battalion. This includes linking staff, subordinate units, and command elements to ensure that information flows effectively, allowing for timely decision-making and operational efficiency.

In contrast, the other nodes mentioned serve different purposes. For instance, the Joint Network Node (JNN) typically serves higher-level commands and focuses on interoperability among joint forces, while the Regional Hub Node (RHN) is meant for broader regional connectivity. The Tactical Hub Node (THN) generally supports lower tactical operations rather than the specific needs of a battalion. Thus, the unique capabilities of the CPN make it the correct answer as the node most directly responsible for coordination at the battalion level.