"Manual for Ensigns and Privates, United States Army, 1917: Designated for the Use of Engineer Companies (Infantry) and Coast Artillery Companies for Infantry Instruction and Training" is a document that became an important reference for American servicemen during the First World War. The author of this manual is the War Department of the United States. The book examines in detail the rules, procedures and conditions that applied to the training and execution of military tasks for infantry, engineer troops and artillery in combat conditions. This document was a valuable source of knowledge and guidance for servicemen who gave their service to the US Army during the difficult times of the war.