Commissioned officers are authorized to use deadly force to carry out the lawful orders of their government, either directly or through orders to non-commissioned officers or soldiers.
Having officers is one requirement for combatant status under the laws of war.
Commissioned Officer Ranks
US Commissioned Officer Ranks
Army/Air Force/Marine Corps
General of the Army/Air Force (War Time Only) (Army/Air Force Only)
Naval/Coast Guard Ranks
Lieutenant, Junior Grade ((or simply (j.g) ))
Rear Admiral (Lower Half)
Rear Admiral (Upper Half)
Fleet Admiral (War Time Only) (Navy Only)
See also: military, warrant officer, laws of war, Non-commissioned officer