In the British Service there are with each Division two Field Companies of Engineers, each having 156 working sappers, and with the Cavalry Division four Field Troops, each with 40 working sappers, half of whom are mounted, half carried on the tool carts. Thus, if a Cavalry Brigade is detached, it can take with it a Field Troop of Engineers. The drivers and transport are integral portions of the Engineer Troops and Companies.

Telegraph Companies of Engineers are in all armies allotted to each Command for inter-communication purposes. Those of the British Service are described later among the Administrative Services, in [Chapter IX.]

Another Unit of Engineers is the Bridging Train, which supplements the small bridge equipment carried by the Engineer Field Companies. In foreign armies these Trains are manned by Engineers, but horsed by the “Train,” and one is allotted to each Division and Army Corps. In the British Service the Bridging Trains are “Army Troops,” and are not allotted to Divisions.


CHAPTER IV
NEW VARIETIES OF FIGHTING TROOPS

It was mentioned in [Chapter II.] that of late years there have been added to modern armies a number of new varieties of troops, which it is not possible to group under the old heads of the Three Arms.

These varieties may be described under the following heads:

1. Mounted Infantry.
2. Mountain Infantry.
3. Mountain Artillery.
4. Machine Guns.
5. Cavalry Pioneers.
6. Cyclists and Motor Cars.
7. Scouts.
8. Field Orderlies.
9. Military Police.

A short description of the functions and organization of these troops will now be given.