美国的军衔分为几级?一级军事长有多大?

美国陆军 (US Army) OF-10 五星上将 (General of the Army) 〔为战时军衔〕 OF-09 上将(General) OF-08 中将(Lieutenant General) OF-07 少将(Major General) OF-06 准将(Brigadier General) ------------------------------- OF-05 上校(Colonel) OF-04 中校(Lieutenant Colonel) OF-03 少校(Major) ------------------------------- OF-02 上尉(Captain) OF-01 中尉(First Lieutenant) OF-01 少尉(Second Lieutenant) Student Officer 军校生(Cadet) ------------------------------- OR-09 陆军高级军士长(Sergeant Major of the Army) OR-09 军士指挥官(Command Sergeant Major) OR-09 军士长(Sergeant Major) OR-08 一级军士长(First Sergeant) OR-08 二级军士长(Master Sergeant) OR-07 三级军士长(Sergeant First Class) OR-06 上士(Staff Sergeant) OR-05 中士(Sergeant) OR-04 下士(Corporal) OR-03 一等兵(Private First Class) OR-02 二等兵(Private)