These patrols may consist of from two men to the entire grenadier squad. In a patrol of six or eight men two of them carry rifles and belts, bayonets fixed. The remaining members of the patrol carry no equipment except a haversack filled with grenades. The grenades are used only in case of emergency. It is a reconnoitering patrol charged with gaining information and therefore does not enter into an encounter with the enemy except as a last resort. The men move or crawl without noise and take advantage of all cover that the ground affords. If they suspect they are observed, they should "freeze" to the ground and remain absolutely motionless. On dark nights it is easy to lose the direction and for the men to lose one another. Every device or scheme to lessen risks in this respect must be employed. The men may tie themselves lightly together so they will not proceed in a bunch and at the same time retain connection with each other. NOTES ON GRENADE WARFARE The first step in the training of a grenadier is to overcome his fear of the grenade itself. This is accomplished by first having him practice fuse lighting with dummy grenades having live fuses. The men will be impressed with the fact that the grenades are dangerous weapons and that familiarity in handling them must not be permitted to degenerate into carelessness. The next step towards efficiency is the development of accuracy of throwing. For short distances it may be lobbed from the shoulder by a motion similar to "putting the shot." Stick grenades may be thrown for a short distance like throwing a dart. In the trenches the grenade should be thrown with an overhand motion like the bowler of a cricket ball, as there is danger of exploding them by knocking the hand against the back of the trench. The men should be taught to throw from all positions--standing, sitting, kneeling and prone. Should the grenade with a time fuse be dropped in the act of throwing, there is time to pick it up and throw it out of the trench before it explodes. Under no circumstances must it be allowed to explode in the trench. Communication throughout the squad in action should be maintained at all times. System is required to insure the throwers having a supply of grenades on hand all the time and that casualties are promptly replaced. Quick action is essential to success. Crawling and stalking give the enemy what he is waiting for. Arrangements to assist a storming party by rifle and machine-gun fire are of the utmost value and should be provided whenever possible. Care must be taken to provide a signal which will mark the progress of the storming party through the trenches. A helmet held up on a bayonet will do this. All grenadiers must be especially trained in the filling of sandbags and making sandbag barricades.