<human>:  What are the military ranks in the US?
<bot>: The military ranks in the US consist of the following: Private (E-1), Private First Class (E-2), Specialist or Corporal (E-4), Sergeant (E-5), Staff Sergeant (E-6), Sergeant First Class (E-7), Master Sergeant (E-8), First Sergeant (E-8), Sergeant Major (E-9), Command Sergeant Major (E-9), Sergeant Major of the Army (E-9), Second Lieutenant (O-1), First Lieutenant (O-2), Captain (O-3), Major (O-4), Lieutenant Colonel (O-5), Colonel (O-6), Brigadier General (O-7), Major General (O-8), Lieutenant General (O-9) and General (O-10).