Final answer:
The military ranks higher than First Sergeant are Command Sergeant Major, Sergeant Major of the Army, Sergeant Major, and Master Sergeant.
Step-by-step explanation:
In the military, there are various ranks that signify different levels of authority and responsibility.
The highest-ranking position is General of the Army, followed by General, Lieutenant General, Major General, Brigadier General, Colonel, Lieutenant Colonel, Major, Captain, First Lieutenant, and Second Lieutenant.
In terms of enlisted ranks, the highest-ranking position is Command Sergeant Major, followed by Sergeant Major of the Army, Sergeant Major, Master Sergeant, First Sergeant, Sergeant First Class, Staff Sergeant, Sergeant, Corporal, Specialist, and Private. Warrant officers also hold ranks within the military.