wagons or carts are used and the enemy is unprovided with arms of precision, machine guns may be mounted on the tops of wagons, so that they can open fire instantly and fire while moving forward with the convoy; this position not only provides them with a good field of fire, but also affords protection to the detachments from a sudden charge home of savages from an ambush.
"The success of an attack upon a convoy usually depends upon the defeat of the protecting troops. This will involve a combat, which will be governed by the principles already laid down in this manual. . . . If fighting is inevitable, the enemy should be engaged as far from the convoy as possible."[A]
For this reason machine guns should open fire on any body of the enemy presenting a good target, even at long range, if they are moving to attack the convoy. The presence of machine guns with a convoy will free the infantry to move out wide on the flanks in open country, and to push ahead to piquet hills, clear bush, and occupy heights on the line of march, without exposing the convoy to danger during their absence.
BLOCKHOUSES
Blockhouses have been much used in warfare in uncivilised countries ever since the introduction of firearms, to enable small detachments
