In an IO plan, what is the function of communications discipline?

• A. Develop non-secure messaging to mislead.
• B. Publicize all communications openly.
• C. Eliminate encryption to speed up traffic.
• D. Ensure secure, authenticated, and reliable messaging; manage COMSEC, encryption, and channel integrity to prevent leakage or spoofing.

Answer: (D)

The function of communications discipline in an IO plan is to protect the integrity, confidentiality, and authenticity of all messages and channels. It focuses on making sure communications are secure, trusted, and reliable so that friendly units can depend on what they receive and who they think they’re talking to. This includes managing COMSEC (communications security), applying encryption to protect content, and maintaining channel integrity to prevent leakage, interception, tampering, or spoofing of messages. In practice, that means implementing proper key management, authentication, and encryption practices so that adversaries can’t read, alter, or impersonate communicators, which would otherwise undermine the operation’s effectiveness.