1. Makes all fire from the shoulder. 2. Makes all use ordered rate of fire. 3. Insures that all fire at designated objective. 4. Prevents slighting of invisible portions of the target for more visible parts. 5. Prevents men from changing fire to unauthorized targets not in the assigned front or sector. 6. Maintains constant observation to the front; when squad is firing, for effect of fire--when squad is not firing, for appearance of enemy. 7. Insures prompt obedience to orders to suspend and cease firing. 8. Makes men utilize ground to fullest extent for concealment in firing and advancing. 9. In sight-setting, changing sights and fixing bayonets, has front rank perform operation first (rear-rank men increasing rate of fire) and then the rear-rank follow while the front-rank men make up for loss of fire for the rear rank, thus insuring that the rate of fire for the squad does not fall off. 10. Prevents increasing vulnerability of squad while preparing for a rush, and rushes as soon after cease firing as possible. 11. When other squads of his platoon, are rushing, or the platoon which is covering the same target as is his platoon, is rushing he has his squad increase its rate of fire to make up for lost fire effect of the rushing element. 12. In rushing causes men to spring to feet running at full speed, all men to drop to the ground at the same time, and those who are in rear to crawl up to the line. 13. When re-enforcing the firing line, takes over the duties of disabled squad leaders. For this purpose his squad may drop into line at one place and he may move to the next squad on the right or left where there is a squad leader needed. If there are no vacancies caused by disabled squad leaders, he drops into line and assists the squad leaders who are there. 14. Prevents decreasing rate of fire when men are transmitting data to arriving supports. 15. Prevents wasting of ammunition. 16. Prevents use of 30 rounds in right pocket section of belts except on order of an officer. 17. Distributes ammunition of dead and wounded and ammunition brought up from the rear. 18. Prevents decreasing the rate of fire while ammunition is being distributed. 19. Looks to the rear only at his platoon leader's whistle "Attention." Pays no attention to any other except suspend firing. 20. Takes his position in rear of his squad when it is firing and remains there, where he can control its fire, and only crawls into line and adds his rifle when all control is lost. (Short ranges.) 21. To control his squad he does not walk up and down behind his squad but rolls along behind his line and keeps down. 22. Leads his squad in moving to the front or rear. 23. Must know thoroughly the drill regulation signals and have a