What is the function of AR 600-8-3?

The function of AR 600-8-3 is to oversee unit postal operations. This regulation specifically outlines the policies and procedures necessary for managing postal services within the Army, including the handling of mail and ensuring that it is delivered efficiently and securely to soldiers in various locations. Understanding this regulation is crucial for maintaining effective communication and support for Army personnel, as proper mail service sustains morale and logistical operations.

In the context of other options, while managing army records, providing guidance on standing delivery orders, and compiling human resources support are all essential functions within different areas of military operations, they do not specifically pertain to the detailed postal operations addressed in AR 600-8-3.