What is the purpose of Annex B?

The purpose of Annex B is to outline intelligence operations and adversary threats. This section is crucial in military planning as it provides commanders and decision-makers with a comprehensive understanding of the intelligence landscape, including the capabilities, intentions, and potential actions of adversaries. Knowing these details allows for more informed strategic and tactical decisions, ensuring that military operations are based on accurate and timely intelligence. This alignment with intelligence operations is vital for anticipating enemy actions and mitigating risks during missions, ultimately enhancing operational effectiveness.

Understanding adversary threats is integral to overall mission planning and execution, which is why this option is the most accurate description of Annex B's purpose.