EMCON is primarily concerned with which of the following?

• A. Limiting the broadcast of identifiable transmissions linked to a unit
• B. Increasing the broadcast of identifiable transmissions
• C. Maintaining the broadcast schedule
• D. Encrypting transmissions

Answer: (A)

EMCON is the practice of controlling the electromagnetic footprint of a unit to minimize detection and exposure. The best answer reflects that goal: limiting the broadcast of transmissions that can be tied directly to a specific unit. By reducing how much and how identifiable your signals are—turning off nonessential radios, using brief or non-identifying messages, and choosing low-profile methods—you lessen the chances an adversary can locate or determine your activities from your emissions.

Encrypting transmissions matters for security of the content, but it doesn’t reduce how much you are emitting or how easily your identity and location can be inferred from the emissions themselves. Conversely, increasing transmissions or maintaining a strict schedule would make you more detectable, opposite to EMCON’s purpose.