These are the Ranks of the Army from highest to lowest with short descriptions for them all.
Ranks for Officers of the Army:
General: The highest ranking officer in the Army, commands all troops in battle, always a knight.
Colonel: A higher middle ranking officer in the Army, commands a brigade of three regiments, always a knight.
Major: A middle ranking officer in the Army, commands a regiment of three companies, always a knight.
Captain: A lower middle ranking officer in the Army, commands a company of three platoons, always a knight.
Lieutenant: The lowest ranking officer in the Army, can command either a platoon or a company, They are also sometimes knights.....or the possibility to become knighted through bravery exists.
Ranks for Enlisted troops of the Army:
Sergeant: The highest ranking member of the enlisted troops, commands a platoon of three squads.
Corporal: The middle ranking member of the enlisted troops, commands a squad of twelve soldiers.
Private: The lowest ranking member of the enlisted troops, a grunt.
