What information management activity is normally a theater-level decision because of its significant second order effects such as inoperability within the joint force fielding and pre-mission training?

The information management activity that is typically a theater-level decision is the establishment of data sharing protocols and communication systems among joint forces. This is crucial because improper management can lead to inoperability, hindering coordination and effectiveness during operations. Effective data sharing ensures that all units have access to necessary information, enhancing situational awareness and mission success. Additionally, it impacts pre-mission training by ensuring that all personnel are familiar with the systems and protocols in use.