Army ground forces : light aviation - USA War Department Field Manual, FM 20-100 Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Field service regulations : operations - USA Field Manual, FM 100-5 field manual Infantry drill regulations / prepared under direction of the Chief of Infantry Antiaircraft artillery : gunnery, fire control, position finding and horizontal fire, case I firing. - USA Coast Artillery Field Manual, FM 4-112 Service of the piece 105-mm Howitzer, M 2, truck-drawn - USA Field Artillery Field Manual, FM 6-75 Service of the piece 8-inch Howitzer M 1 - USA Field Artillery Field Manual, FM 6-91 Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 Photomail operation - USA War Department Field Manual, FM 11-150 Advanced map and aerial photograph reading - USA Basic Field Manual, FM 21-26 Service of the piece : 105-MM howitzer self-propelled - USA Armored Force Field Manual, FM 17-63 Assault gun section and platoon - USA Armored Force Field Manual, FM 17-25
