Which of the following describes the communication types used in convoy operations?

The choice that describes the communication types used in convoy operations focuses on essential elements specific to military or tactical contexts. In convoy operations, communication is critical for coordination, safety, and effectiveness. The terms "external," "internal," and "vic-vic" can be understood as follows:

• "External" communication refers to interactions and information sharing with units outside the convoy, such as headquarters or other supporting elements, which are crucial for situational awareness and overall mission success.

• "Internal" communication pertains to the information flow within the convoy itself, ensuring that all personnel are aware of status updates, changes in plans, or emergent threats. This is vital for maintaining cohesion and responding effectively during operations.

• "Vic-vic" is a specific term used in military communication that typically refers to the relationship and communication between vehicles within the convoy. This includes direct communication to coordinate actions and maneuvers, enhancing operational efficiency and safety.

This classification captures the unique requirements and dynamics of communication in a convoy setup, making it particularly relevant for those executing or overseeing such operations. Other options do not encompass the nuances of communication specific to convoy scenarios, which is why option C stands out.