Ordnance facilities were established at Springfield Armory, Massachusetts and Carlisle Barracks, Pennsylvania for the production of arms, powder, and shot.

After the war, the logistic elements were disbanded and the authority for procurement and provision of all things military was transferred to the Office of the Purveyor of Public Supplies located within the Treasury Department.

Capital improvements, and new accounting practices to control manufacturing materials purchases, had significant effects in reducing production costs, but still left the Army with a limited capacity to respond to a major conflict.

[4] Ordnance Department supply failures during the first months of formal American involvement in the First World War cost Crozier his job, despite several attempts at wholesale departmental reorganization along functional lines with decentralized districts.

Army Materiel Command assumed responsibility for many of the Ordnance Corps historical functions; research, development, procurement, production, storage and technical intelligence.

The Office of the Chief of Ordnance was reestablished and regained responsibility for decisions concerning personnel, force structure, doctrine, and training.

The following individuals have served as acting Chief of Ordnance:[5] This article incorporates public domain material from websites or documents of the United States Army.