The rank system of the United States military provided a hierarchy and chain of command for individuals serving the branches of the United States of America's military, including the Air Force, Army, Marine Corps, and Navy.
Army ranks[]
The United States Army, which at points included the Army Air Forces displayed rank on the lapels of their uniform. (DS9: "Little Green Men")
On the planet Miri, whose development closely followed that on Earth, Jahn wore a military jacket with a master sergeant patch. (TOS: "Miri")
During the Q Civil War, which was made to be perceived as the American Civil War, the Q and members of the USS Voyager dressed as Union Army infantry soldiers, complete with uniform and insignia. Of note, Q wore the rank of insignia of a captain, Tom Paris wore a sergeant rank insignia, and Harry Kim work a corporal rank insignia. (VOY: "The Q and the Grey")
| Rank | Insignia | Individuals |
|---|---|---|
| General | 
|
General Norman Schwarzkopf (ENT: "Storm Front, Part II") |
| Lieutenant general | 
|
Lt. General Denning (DS9: "Little Green Men") |
| Major | 
|
US Army Air Corps major in 1947 (DS9: "Little Green Men") |
| Captain |  
|
Q during the Q Civil War (VOY: "The Q and the Grey") Miller (VOY: "The Killing Game", "The Killing Game, Part II") Wainwright (DS9: "Little Green Men" |
| First lieutenant |  
|
Chakotay, during the Q Civil War (VOY: "The Q and the Grey" First Lieutenant Bobby Davis (VOY: "The Killing Game", "The Killing Game, Part II") |
| Second lieutenant | 
|
Tuvok, during the Q Civil War (VOY: "The Q and the Grey" |
| Sergeant | 
|
Tom Paris, during the Q Civil War (VOY: "The Q and the Grey") |
| Corporal |  
|
Harry Kim, during the Q Civil War (VOY: "The Q and the Grey") San Francisco tourist (Star Trek IV: The Voyage Home) |
Marine Corps ranks[]
The United States Marine Corps displayed rank as a series of chevrons on the upper sleeve of their uniform. (TNG: "Encounter at Farpoint")
| Rank | Insignia | Individuals |
|---|---|---|
| Captain |
|
Q's USMC uniform (TNG: "Encounter at Farpoint") |
| First lieutenant |
|
US Marine Corps lieutenant, USS Enterprise (CVN-65) (Star Trek IV: The Voyage Home) |
| First sergeant | 
|
Marine Corps Security Commander, USS Enterprise (CVN-65) (Star Trek IV: The Voyage Home) |
[]
The United States Navy displayed rank through the number of gold stripes on the sleeve of their uniform. (Star Trek IV: The Voyage Home)
| Rank | Insignia | Individuals |
|---|---|---|
| Commander | 
|
Commander Rogerson (Star Trek IV: The Voyage Home) |
| Lieutenant | 
|
San Francisco tourist (Star Trek IV: The Voyage Home) |
| Petty officer | 
|
Navy Electronics Technician |
Air Force ranks[]
The United States Air Force and the Air Police, displayed rank as a pin on the lapel of their uniform. (TOS: "Tomorrow is Yesterday")
| Rank | Insignia | Individuals |
|---|---|---|
| Captain | 
|
Captain John Christopher (TOS: "Tomorrow is Yesterday") |
| Colonel | – | Colonel Stephen G. Richey (TNG: "The Royale") |
| Lieutenant colonel | 
|
Lieutenant Colonel Fellini (TOS: "Tomorrow is Yesterday") |
| Staff sergeant | 
|
Air Police Sergeant, US 498th Airbase Group (TOS: "Tomorrow is Yesterday") |
| Airman basic |  No insignia |
Air Policeman, US 498th Airbase Group (TOS: "Tomorrow is Yesterday") |
| Enlisted personnel | Commissioned officers | Flag officers | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fleet: | CRM | PO | CPO | MID CDT OC WO |
ENS | LT JG | LT | LT CMDR | CMDR | CAPT | FCAPT | CDORE | RADM | VADM | ADM | FADM | ||||
| Military: | PVT AMN |
CPL LCP |
SGT | SSGT | MSGT 1SGT |
2nd LT | 1st LT | CAPT | MAJ | LT COL | COL | BRIG | MAJ GEN | LT GEN | GEN | MARSHAL | ||||
| Services: | Andorian • Bajoran • Cardassian • Ferengi • Human (CSA • Third Reich • UE MACO • USA) • Jem'Hadar • Klingon • Romulan • United Earth/Federation Starfleet • Vulcan Mirror universe: Terran Empire Starfleet • Terran Empire MACO | |||||||||||||||||||
Appendices[]
See also[]
Background information[]
This page only lists ranks that have been seen or mentioned in the context of the US military in Star Trek. Real world US military ranks that have been used by other entities include second lieutenant, ensign, lieutenant junior grade, and lieutenant commander.