The U.S. Army ranks are broken down into three groups: Enlisted Ranks (E-1 to E-9), Warrant Officer Ranks (W-1 to W-5), and Commissioned Officer Ranks (O-1 to O-10). Check the complete list of the ...

To determine the highest ranking officers in U.S. history, 24/7 Wall St. reviewed five-star admirals and generals on VeteranAid.org as well as a few outlying positions that have been equivalent to ...