Corporal Missile Firing Platoon. FM 6-31 Field Artillery. Guidance System. Missile (Corporal). FM 6-32 Field Artillery. Gunnery. FM 6-40 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, 6-61 105 mm. Howitzer M2A1 on Motor Carriage M7B1 and M7B2. FM 6-74 105 mm. Howitzer M2-Series Towed. FM 6-75 155 mm. Howitzer M1, Towed. FM 6-81 155 mm. Howitzer M1 on Motor Carriage M41. FM 6-82 Field Artillery. Service of the Piece 155 mm. Gun M1918. FM 6-85
