Military service is obligatory for each male citizen between the ages of eighteen and forty-five years. According to this 1916 volume, he must plan his life to meet this obligation and be prepared physically, mentally, and morally through proper training. This book covers all the aspects of military service, regulations, organization, and introductions to the different arms of the service.

"Special chapters: Engineer corps [by] Major S.A. Cheney ... Coast artillery [by] Captain C.A. Kilbourne ... Infantry [by] Captain E.T. Collins ... Signal corps [by] Captain C.A. Scoane ... Field artillery [by] First Lieut. J.S. Hammond."

Our military policy -- Psychology of the service -- Military training -- Organization -- Infantry drill ; Its rules ; Its discipline -- Cavalry ; Its role ; Discipline ; Leaders ; Drill -- Field artillery -- Coast artillery -- The engineer corps -- The signal corps -- Tactical rules -- Military courtesy -- Guard duty -- Riot duty -- Small arms firing -- Map reading and sketching -- Care of arms and equipment -- Army regulations -- Patrolling -- Security -- Marches and convoys ; Care of men and horses -- Camps and bivouacs ; Care of men ; Comforts ; Sanitation -- Supply and transportation -- Sanitation -- Horsemanship.