[1] No universal insignia for officer candidate rank [2] No official insignia and not currently listed by the Army as an obtainable rank. John J. Pershing's GAS insignia: (collar) (epaulettes) [3] These ranks are reserved for wartime use only, and are still listed as ranks within their respective services [4] Grade is authorized by the U.S. Code for use but has not been created [5] Grade has never been created or authorized
