How about Commandant? And above that,
Field Marshal? And above that, Master at War, Warlord, Commander-in-Chief, Shogun?
Also, the wikipedia has a page with the various ranks of General in the US Army:
http://en.wikipedia.org/wiki/United_Sta ... k_insignia
*General of the Army commands the ENTIRE United States Army; this rank is only awarded in times of congressionally-declared war.
***** General of the Army -- Highest; Equivalent of FIELD MARSHAL; Commands ARMY
**** General -- Commands a Theatre (CENTCOM -- Central Command)
*** Lieutenant General -- Commands a Corps (XVIII Airborne Corps)
** Major General -- Commands a Division (82nd Airborne Division)
* Brigadier General -- Lowest; commands a Brigade (504th Parachute Infantry Regiment)