“‘It is apparent that our main body has encountered a force of the enemy. It is possible that our flank guard has halted. “‘We will remain here for the present. “‘Shane, you will keep on the look out for the enemy. “‘Take off your packs and put them on the ground behind you. “‘Secure your intrenching tools and each man improve his firing position. “‘I will remain here.’” _The Director_: “I think that order would meet the immediate requirements.” Procedure The Director will bring out the points involved in the preparation of the position for defense. This will depend entirely upon the terrain. By questioning members of the class and a discussion the method of preparing certain of the individual fire positions will be arrived at. The question of obstacles in the road to interfere with the enemy’s advance should also be considered and discussed. * * * * * =Flank Guard= =Card No. 5= =Director’s Key= 1. Distribute sheets containing Situation No. 5. Read and explain. 2. Estimate of enemy. Contact patrol. Action—open fire on enemy. How close to let them come. Fire orders. 3. Assumption regarding action of patrol and enemy. Identification. 4. Message to flank guard commander. Importance of identification. 5. Action with respect to enemy dead and wounded. 6. State new situation verbally. Main body encounters enemy. Size up new situation. 7. New mission of patrol. Decision to remain where it is. 8. Orders for patrol: Information of enemy and own troops; remain here; look out for enemy; take off pack; prepare for defense. 9. Bring out points involved in preparation for defense. Improvement of firing position. Obstacles. * * * * * The Problem =Situation No. 6=: Halley returns to the patrol. He reports that he sent the message to Lieutenant A, and that it was acknowledged. He received the following message from Lieutenant A for Sergeant Wilkins: “Advance guard meets strong opposition on main road—Cavalry. Main body halted. Flank guard halts abreast of head of main body. Your patrol will cover cross-road. Corporal Vincent being sent to you with his squad.” _Required_: What do you, Sergeant Wilkins, do? Procedure The Director distributes the sheets containing Situation No. 6 to the class and makes such explanation as may be necessary. Solution _The Director_: “What action would you now take, Lieutenant Wallace?”