United States Armed Forces Unit Organization 

Unit organization:

Army  Air Force  Navy  
Sources, Resources and Documents:
Army Air Force Navy Marines
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Army         Return to Top

Overview

Combat Formations 

Administrative Formations 

X X X X X X

Theater

Command

X X X X X

Army Group

X X X X

Army

Branch

X X X

Corps

X X

Division

Regiment

X

Brigade

I I I

Group / Regiment

I I

Battalion / Squadron

 

I

Company / Battery / Troop

 

Platoon / Detachment

 

Section

 

Squad

 

Team / Crew

 

Installation

 

 
Air Force     Return to Top

Administrative

Functional

Combat

Operational 

Air Staff
 
 Major Command  
 Numbered Air Force  Air Expeditionary Force
 Wing  Air Expeditionary Wing
 Group  Air Expeditionary Group
 Squadron  
 Flight  

 
Navy     Return to Top

Overview 

FLEET

Echelon One

Numbered Fleet

 Force / Type Command [TYCOM]

Naval Forces

 Echelon Two

 Task Force

 Group

 Wing

 Naval Base /
Naval Activities

 Echelon Three

 Task Group

 Flotilla

 Task Unit

 Squadron

  Squadron

 Station

 Echelon Four

 Task Element

 Division

 Facility

 Ship

 Detachment

 Watch

 Department

 Section

 Division

 

Sources, Resources, and Documents

 

Army     Return to Top

 

Air Force     Return to Top

 

Navy     Return to Top

 

Marines     Return to Top