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Structure of the United States Armed Forces

Military units in the United States Army
NameNumber of personnelNumber of subordinate unitsOfficer in charge
Corps30,000+2 divisionsLieutenant General
Division10,000–20,0002-3 regiments or brigadesMajor General
Brigade2000–50002+ battalionsBrigadier General
Battalion300–10002–6 companiesColonel
Company150–3003–6 platoonsCaptain
Platoon30–402+ squadsLieutenant
Squad8–122+ fireteamsNCO (Sergeant)
Fireteam4–5n/aNCO

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