The document outlines the key steps to creating an effective operation order: 1) Brief the situation including enemy and friendly forces; 2) State the mission objectives; 3) Explain how the mission will be executed including maneuvers, routes, and subunit roles; 4) Detail service support for supplies, transportation, medical evacuation, and prisoners; 5) Establish command and signal procedures for communication. Following these steps will ensure all essential information is covered to successfully brief troops entering hostile territory.