Engineer Battalion Armored Mechanized and Infantry. FM 5-135 Engineer Battalion Armored, Infantry and Infantry (Mechanized) Divisions. FM 5-135 Mortar Battery Airborne Division Battle Group. FM 6-18 Division Artillery. Infantry Division. FM 6-21 Division Artillery. Infantry Division. FM 6-21 Field Artillery. Missile, Corporal. FM 6-31 Corporal Missile Firing Platoon. FM 6-31 Field Artillery. Guidance System. Missile (Corporal). FM 6-32 Field Artillery. Honest John Rocket Gunnery. FM 6-40-1 4.5 Inch Multiple Rocket Launcher M21 Towed. FM 6-55 The Field Artillery Rocket. Honest John with Launcher M289. FM 6-60 Adjustment of Artillery Fire by the Combat Soldier. FM 6-135
