Colonel: commands a regiment of artillery (72 cannons and 1,840 men).
Lieutenant Colonel: the Colonels second-in-command, commands the regiment in the absence of the Colonel.
Major: a staff officer at the battalion level.
Sergeant Major: the battalion orderly Sergeant, the senior NCO in the battalion.
Regimental Quartermaster Sergeant: Issues clothing, equipment, and rations to the men of the regiment with the help of the Battery Battery Quartermaster Sergeants.
Ordnance Sergeant: in charge of all of the ordnance in the battalion. He insures that the batteries get the proper type and amount of ammunition.

Captain: commands a battery (6 cannons and 152 men).
First Lieutenant: commands a section (2 cannons) and is the Captains second-in-command, commands the battery in the absence of the Captain.
Second Lieutenant: commands the line of caissons.
First Sergeant: the battery orderly Sergeant and the senior NCO in the battery. He represents the enlisted men in front of the officers.
Battery Quartermaster Sergeant: Issues clothing, equipment, and rations to the men of the battery.
Sergeant (Chief of Piece): commands one gun and its limber.
Corporal (Gunner): commands the cannon only, in charge of aiming the cannon and the five privates under him.
Corporal (Chief of Limber): commands the limber, in charge of the ordnance in his limber and makes sure that the cannon gets the right round with the proper fuse setting.
Corporals and Privates (Pioneers): Working-parties that are attached to batteries to mend roads, remove obstacles, and erect defenses.
Privates (Cannoneers): The men who crew the cannons.
Privates (Drivers): drive the teams of horses who pulled the guns, etc.
Privates (Artificer & Farrier): blacksmiths, carpenters, etc.
Privates (Spare men): extra men who replaced the cannoneers as they were killed, wounded, etc.
Privates (Musicians): a bugler who sends orders from one section to another, etc.
Privates (Guidon): carries the battery flag, and will die to protect it from the enemy.
The personnel authorized for Battery B was five commissioned
officers (a Captain, three First Lieutenants, and a Second Lieutenant),
a First Sergeant, a Quartermaster Sergeant, an Ordnance Sergeant, six
line Sergeants (chiefs of piece), twelve Corporals (six gunners and six
chiefs of the limber), six artificers, two buglers, one Guidon bearer,
42 cannoneers, 60 drivers, and 15 spare men. 152 soldiers total.
-Buell, The Cannoneer, p. 17.