“The sixth situation was devised for the purpose of placing the members of the class on their own responsibility in the selection of a position for the defense of a particular point and make practical use of the knowledge they had gained in the solution of Situations Nos. 4 and 5. “It is by the constant practice in solving these situations on the ground that we gain that confidence in our ability to handle them when we have troops actually present. The idea of these Terrain Exercises is that you come out here and work out the solution without troops. Then after you have learned how, you bring your troops out and take them through the problem according to the solution that you have worked out in the Terrain Exercise. “I am sure that any of you are now more competent to handle the operations of a flank guard and a force sent out to cover a particular point. I am sure that you would have a very good idea of what to do if in actual service you were confronted with situations similar to those we have considered in our exercise today.” * * * * * =Flank Guard= =Card No. 7= =Director’s Key= 1. Conduct class back to cross-road. 2. Distribute Situation No. 7. Read and explain. 3. Solution of situation. Each member of class consider himself as being Corporal Vincent. Select position, make sketch, write out orders. 4. At end of twenty minutes collect solutions. Read one or more of them. Arrive at solution. Distribute solution to the class. 5. Explain purpose of each situation. Necessity for flank guard; covering approaches; giving orders on march; conduct of small patrol; estimate of situation; selection of position; troop leading and rendering quick decisions; changing to new mission; solution of problem on own responsibility. * * * * * _Terrain Exercise No. 7._ Posting an Outpost The Problem =General Situation=: The (_a_) forms the boundary between hostile states. A Blue force is concentrating at (_b_). Red troops have been reported in the direction of (_c_). =Special Situation—Blue=: A Blue detachment consisting of one regiment of Infantry has been sent out toward the border as a covering force. It is disposed as follows: The regiment (less 2nd and 3rd Battalions) on the (_d_) road; 2nd Battalion on the (_e_) road; 3rd Battalion on the (_f_) road. The 2nd Battalion marching on the (_e_) road, with Company E as advance guard, has reached (_g_), where the battalion commander decides to halt for the night. It is now 3 o’clock p. m. The column has halted, and the company commanders have assembled at this point. The battalion commander issues verbal orders as follows: