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 fire positions, opening fire, etc., to the machine-gun commander, who should be given a free hand in carrying out his instructions. The machine-gun commander will then issue his orders to battery commanders, allotting the battery for the flank and the battery which is to occupy positions on the line of retreat. In like manner the battery commander will tell off sections to occupy certain positions, if these have already been selected, and if not he will direct his battery to a position of readiness and will gallop off with his section commanders to select the positions for each section and explain the course of action to be taken. The position of readiness must be in the vicinity of the position to be occupied, and section commanders must take steps to ensure that their sections keep in signalling connection with them and can be brought up by signal to the position selected.

The choice of the position will depend upon the nature of the country and the features favourable to delaying the enemy, but it may be laid down that the machine guns should not be placed in one line, but should be broken up as much as possible, so that no two guns are at the same range. In the same way, guns placed in well-concealed positions on the lower slopes of hills should have the other guns of their sections higher up, where they can command a wide extent of country and at the same time cover the retirement of the guns below. All guns must be so placed that they can be ''retired