field manual U.S. rifle, caliber .30 M1917 (Enfield) / War Department field manual Quartermaster operations / prepared under direction of the quartermaster general field manual Supply and field service / prepared under direction of the chief of the chemical warfare service field manual special service company field manual Ordnance service in the field field manual Camouflage / Prepared under direction of the chief of engineers field manual Ordnance ammunition company : ordnance ammunition battalion field manual Ammunition supply field manual ordnance company, depot field manual Organization and operations in the infantry division / prepared under the direction of the chief signal officer field manual Mission, functions and signal communication in general / prepared under direction of the chief signal officer field manual Organization and tactics of tank destroyer units