To observe the enemy’s approach, to report his strength and the direction of his march; to watch the flanks, and to observe the enemy’s movements.
3. As Ground Scouts.
To ascertain the best ground for an advance.
To look for obstacles to an advance.
To find accessible routes.
To find cover for an advance.
4. Reconnaissance.
To act as the eyes and ears of the army, especially in mountainous and wooded country.
To obtain information of the enemy’s position and strength, the whereabouts of his guns, the nature of his entrenchments, &c.
5. In night operations.—To precede the advance.