U.S. Navy.
Le 03/03/1915, les commandants en chef des Flottes (Atlantique, Pacifique et Asiatique) deviennent Admiral (Temporaire) (le temps de l'appointement puis redeviennent Rear Admiral) ; les commandants en second deviennent Vice Admiral (Temporaire) (le temps de l'appointement puis redeviennent Rear Admiral).
Le 29/08/1916 le chef des Opérations navales devient Admiral (Temporaire) (le temps de l'appointement) ; les chefs de bureaux d'état-major deviennent Rear Admiral (Temporaire) (le temps de l'appointement).
Le 21/06/1930 les Rear Admiral en retraite reprennent leurs rangs d'Admiral et Vice Admiral atteints lors de la Première Guerre Mondiale.
Rear Admiral et Commodore décédés avant 1914.
Grades de l'U.S. Navy et U.S. Coast Guard:
- Admiral of the Navy = Amiral de France.
- Admiral = General = Amiral.
- Vice Admiral = Lieutenant General = Vice-Amiral.
- Rear Admiral = Major General = Contre-Amiral.
- Commodore = Brigadier General.
- Captain = Capitaine de vaisseau.
- Commander = Capitaine de frégate.
- Lieutenant Commander = Capitaine de corvette.
- Lieutenant = Lieutenant de vaisseau.
- Lieutenant (junior grade) = Enseigne de vaisseau.
- Enseign = Aspirant.
Hiérarchie officielle des Officiers Généraux.
| Rang hiérarchique | Rang de grade | Nom | Arme | Grade | Date |
| 1 | 1 | George Washington | U.S. Army | general of the Armies | 04/07/1976 |
| 2 | 1 | John Joseph Pershing | U.S. Army | general of the Armies | 03/09/1919 |
| 3 | 1 | George Dewey | U.S. Navy | admiral of the Navy | 02/03/1899 |
| 4 | 4 | Winfield Scott | U.S. Army | lieutenant general | 29/03/1847 |
| 5 | 3 | Ulysses Simpson Grant | U.S. Army | general of the Army | 25/07/1866 |
| 6 | 3 | David Glasgow Farragut | U.S. Navy | admiral | 26/07/1966 |
| 7 | 3 | William Tecumseh Sherman | U.S. Army | general of the Army | 04/03/1869 |
| 8 | 3 | David Dixon Porter Jr. | U.S. Navy | admiral | 15/08/1870 |
| 9 | 4 | Stephen Clegg Rowan | U.S. Navy | vice admiral | 15/08/1870 |
| 10 | 3 | Philip Henry Sheridan | U.S. Army | general of the Army | 01/06/1888 |
| 11 | 4 | John McAllister Schofield | U.S. Army | lieutenant general | 08/02/1895 |
| 12 | 4 | Nelson Appleton Miles | U.S. Army | lieutenant general | 06/06/1900 |
| 13 | 3 | Tasker Howard Bliss | U.S. Army | general | 06/10/1917 |
| 14 | 2 | William Daniel Leahy | U.S. Navy | fleet admiral | 15/12/1944 |
| 15 | 2 | George Catlett Marshall Jr. | U.S. Army | general of the Army | 16/12/1944 |
| 16 | 2 | Ernest Joseph King | U.S. Navy | fleet admiral | 17/12/1944 |
| 17 | 2 | Douglas Mac Arthur | U.S. Army | general of the Army | 18/12/1944 |
| 18 | 2 | Chester William Nimitz | U.S. Navy | fleet admiral | 19/12/1944 |
| 19 | 2 | Dwight David Eisenhower | U.S. Army | general of the Army | 20/12/1944 |
| 20 | 2 | Henry Harley Arnold | U.S. Army U.S. Air Force |
general of the Army general of the Air Force |
21/12/1944 07/05/1949 |
| 21 | 2 | William Frederick Halsey Jr. | U.S. Navy | fleet admiral | 11/12/1945 |
| 22 | 2 | Omar Nelson Bradley | U.S. Army | general of the Army | 20/09/1950 |
| 23 | 3 | Raymond Ames Spruance | U.S. Navy | admiral | 16/02/1944 |
| 24 | 3 | George Smith Patton Jr. | U.S. Army | general | 14/04/1945 |
| 25 | 3 | Matthew Bunker Ridgway | U.S. Army | general | 11/05/1951 |