The period of company training having been completed that of the battalion commences. The same general plan should be followed as in the case of the company. The mechanism of extended order should first be thoroughly learned, then the attack against an outlined enemy, then battalion against battalion. The enlisted men have little new to learn, the work for them is merely practice in what they have learned in the company training. For the captains it is instruction in team work and in tactics. The battalion is the attack unit and as a tactical unit is most important. An infantry attack is largely a combination of battalion attacks. Every exercise should be a problem which teaches some lesson as well as affords practice. The employment of combat patrols of some size can be made a part of the exercise and their proper use and leading taught. The use of the local support, how it is handled and how maneuvered, is a very important part. In these exercises the major must control his battalion as in battle. The absurdity of his riding around and giving verbal instructions to his firing line must not be permitted. A great part of the value of these combat exercises lies in the practice given in handling a battalion with the limited means of control possible on the field of battle and accustoming company commanders to carrying out their part under the same conditions. Majors thus learn to give their initial orders so as to insure the carrying out of their plan of action. The battalion being the attack unit, whether alone or as part of a long line, its rushes are independent of those of other battalions although as a whole it keeps the general line. Each company of course must govern its advance by that of the others in the same battalion. An advance can only start from one flank or the other of the battalion and then continue successively to completion. Rushes never start from both flanks or the center; the reason for this is obvious. The little flags mentioned under company training can be used in battalion training to even better advantage. Captains are more on their own responsibility in a battalion than are platoon commanders in a company and must act according to assumed existing conditions. In the battalion the shifting of fire from one target to another is less frequent than in the company. New unexpected targets are cared for, as a rule, by the support. Battalion commanders have more need of reconnaissance and must get experience in ordering it properly and judging the reports and basing their action thereon. When a battalion operates against battalion the colonel should prepare the problems and act as umpire. If he does not do this the practice should not be omitted, the majors concerned must get up their own although this is not so satisfactory.