Joint Planning Support refers to a set of tools, procedures, and methodologies employed by the United States Army for collaborative military planning among multiple branches of service and coalition partners. This comprehensive approach aims to harmonize operations across different domains, ensuring seamless coordination in joint and combined environments. Key aspects include mission analysis, course-of-action development, effects-based assessment, and decision support systems. The goal is to facilitate more effective joint operations, improving readiness, and enhancing military capabilities for a wide range of missions.