Transportation corps : railway shop battalion - USA Voorschrift, Field Manual 55-60 field manual Headquarters company, intelligence and signal communication, rifle regiment / prepared under direction of the Chief of Infantry field manual 37-mm gun, antitank M3 / War Department field manual U.S. rifle, caliber .30 M1917 (Enfield) / War Department war department technical manual Explosives and demolitions Antiaircraft artillery : organization and tactics - USA Coast Artillery Field Manual, FM 4-105 Antiaircraft artillery : gunnery, fire control, position finding and horizontal fire, case I firing. - USA Coast Artillery Field Manual, FM 4-112 Tactics and technique - USA Field Artillery Field Manual, FM 6-20 Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 Seacoast artillery : service of the piece 6 -inch gun on barbette carriage - USA Coast Artillery Field Manual, FM 4-75 field manual Corps of engineers : construction and routes of communication field manual Browning machine gun caliber .30, HB, M1919A4 (mounted in combat vehicles) / prep. under dir. of the Chief of Infantry