Service of the piece : 155-MM gun M2 : truck-drawn and tractor-drawn - USA War Department Field Manual, FM 6-90 Service of the piece : 75-mm gun M 2 A 3, truck-drawn and horse-drawn - USA Field Artillery Field Manual, FM 6-56 Advanced glider training - USA Voorschrift, Technical Manual, 1-815 Antiaircraft artillery : service of the piece 105-mm antiaircraft gun - USA Coast Artillery Field Manual, FM 4-130 Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Radio transmitter BC-446-J and remote control unit RM-45-A - USA Voorschrift, Technical Manual, 11-811 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 Advanced map and aerial photograph reading - USA Voorschrift, Field Manual, 21-26 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 U.S. rifle, cal. .30, M1 : ordnance maintenance / War Department - USA Technical Manual, TM 9-1275