Which symbol indicates the location of a friendly unit in an area?

The symbol that indicates the location of a friendly unit in an area is represented by a hollow circle with a letter inside. This symbolic representation is standardized in military maps and operational graphics to convey important information about troop locations. A hollow circle is specifically used to denote the presence of friendly forces, and the letter inside often signifies the type of unit or its designation.

By using a hollow circle, it helps to distinguish friendly units from enemy units and other elements on a battlefield or in an operational area. While filled symbols and other shapes serve different purposes, they do not represent friendly forces in the same clear manner. The hollow circle is universally recognized in military operations for indicating friendly units, making it a vital part of operational planning and communication. Properly understanding these symbols is crucial for effective maneuvering and coordination in joint and combined operations.