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 Field Artillery Missile. Battalion, Honest John Rocket, Self-Prolelled - USA Voorschrift, Field Manual, 6-61 Adjustment of Artillery Fire by the Combat Soldier. FM 6-135 Rifle Company. Infantry and Airborne Division Battle Groups. FM 7-10 Rifle Company. Infantry, Airborne Infantry and Mechanized Infantry. FM 7-11 Infantry Airborne Infantery and Mechanized Infantry Rifle Plantoons and Squads. FM 7-15 Combat Support Company Infantry Division Battle Group. FM 7-19 Infantry, Airborne, Infantry, and Mechanized Infantry Battalions. FM 7-20 Headquarters and Headquarters Company Infantry Division. Battle Group. FM 7-21