The Arms of the Service
The Fighting Troops consist mainly, as they have for centuries, of what are known as “The Three Arms of the Service”—Cavalry, Artillery, and Infantry. Besides these, however, the introduction of warlike inventions and the increased complexity of modern war have brought into being a fourth Arm—Engineers—as well as varieties of fighting troops for special purposes, which are virtually new Arms, such as Mountain Artillery, Machine Guns, Cyclists, and Mounted Infantry.