What are Rules of engagement must be .?

Rules of engagement (ROE) are directives that outline the circumstances and limitations under which military forces may take action in combat situations. They ensure that military operations are conducted in accordance with national and international law, including the principles of necessity and proportionality. ROE must be clear, flexible, and tailored to the specific mission to protect both military personnel and civilians while achieving operational objectives. Additionally, they should be regularly reviewed and updated to adapt to evolving threats and situations.