Which joint staff directions are primarily involved in developing and managing ROE measures?

The correct answer identifies the roles of the J3 and J5 divisions within a joint staff context, which are specifically tasked with aspects of developing and managing Rules of Engagement (ROE) measures.

The J3 division focuses on operations. This includes conducting planning and operational assessments, which are essential for determining how ROE will be applied in various scenarios. J3's responsibilities involve executing joint operations, making it pivotal in real-time decision-making regarding engagement rules that govern the use of force.

J5, on the other hand, is responsible for planning and policy development. This division plays a key role in the strategic level considerations of ROE, ensuring they align with broader military objectives and policies. J5's activities include the analysis of potential future operations, which is crucial for preemptively addressing ROE measures in light of expected operational environments.

Together, J3 and J5 collaborate to ensure that ROE are not only relevant and actionable in a current operational context but also strategically sound and informed by future planning considerations. Their combined focus on operations and policy ensures coherence and effectiveness in the application of ROE across joint forces.