The document provides a user's guide for the Joint Operation Planning and Execution System (JOPES). JOPES is a combination of joint policies, procedures, and automated data processing that provides a standardized framework to plan and execute joint military operations. It translates policy decisions from national leadership into operational plans and allows commanders to efficiently manage force deployment. The guide defines what JOPES is and is not, explaining it encompasses planning standards, formats, and computer systems to facilitate coordination across all levels of military leadership and services.