Final answer:
The liaison officer acts as the main communication link between different agencies, organizations, or departments.
Step-by-step explanation:
The liaison officer is the point of contact for personnel from assisting or cooperating agencies. This means that the liaison officer acts as the main communication link between different agencies, organizations, or departments. The role of the liaison officer is to facilitate effective communication and coordination, ensuring that information is shared and actions are coordinated among all parties involved.