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 Earth Two, 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 US-O10 GEN rank pin.png General Norman Schwarzkopf (ENT: "Storm Front, Part II")
Lieutenant general US-O9 LTG rank pin.png Lt. General Denning (DS9: "Little Green Men")
Major US-O4 MAJ rank pin.png US Army Air Corps major in 1947 (DS9: "Little Green Men")
Captain Union Army CPT rank insignia.png
US-O3 CPT rank pin 2.png
Q during the Q Civil War (VOY: "The Q and the Grey")

Captain Miller (VOY: "The Killing Game", "The Killing Game, Part II")
First lieutenant Union Army 1LT rank insignia.png
US-O2 1LT rank pin.png
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 Union Army 2LT rank insignia.png Tuvok, during the Q Civil War (VOY: "The Q and the Grey"
Sergeant Union Army SGT rank insignia.png Tom Paris, during the Q Civil War (VOY: "The Q and the Grey")
Corporal Union Army CPL rank insignia.png
US-E4 CPL rank insignia.png
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 US-O3 CPT rank pin 2.png Q's USMC uniform (TNG: "Encounter at Farpoint")
First lieutenant US-O2 1LT rank pin.png US Marine Corps lieutenant, USS Enterprise (CVN-65) (Star Trek IV: The Voyage Home)
First sergeant US-E8 1SG rank insignia.png Marine Corps Security Commander, USS Enterprise (CVN-65) (Star Trek IV: The Voyage Home)

Navy ranks

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 US-O5 CDR sleeve insignia.png Commander Rogerson (Star Trek IV: The Voyage Home)
Lieutenant US-O3 LT(N) sleeve insignia.png San Francisco tourist (Star Trek IV: The Voyage Home)
Petty officer US-E5 PO2 rank insignia.png 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 US-O3 CPT rank pin 1.png Captain John Christopher (TOS: "Tomorrow is Yesterday")
Colonel Colonel Stephen G. Richey (TNG: "The Royale")
Lieutenant colonel US-O5 LTC rank pin.png Lieutenant Colonel Fellini (TOS: "Tomorrow is Yesterday")
Staff sergeant US-E6 SSG rank insignia.png Air Police Sergeant, US 498th Airbase Group (TOS: "Tomorrow is Yesterday")
Airman basic Blank.png
No insignia
Air Policeman, US 498th Airbase Group (TOS: "Tomorrow is Yesterday")

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.

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