PATROLLING.
29.—Functions of Patrols.
The aim: to supplement the work of the listening posts and of the sentinels through more forward observation. To discover the movements and the operations of the enemy. To locate his emplacements.
To keep in close touch with the enemy so as to take advantage of his possible weaknesses: lack of watchfulness, of ammunition, of sufficient troops. To verify, repair and complete advance defences. To get the exact range of enemy's positions. To bring back prisoners.
30.—Time to patrol.
Patrols should be on duty through the night but be specially watchful before sunrise.
31.—Assignment of patrol duty.
N. C. O. and men should be assigned to patrol duty by roster or as volunteers. In the former case, if there is reason to think that a patrol has not done its best to secure information, the same men should be sent out again.