headquarters and headquarters battery / company / detachment / troop (HHB / HHC / HHD/ HHT)

company headquarters detachment

troop-carrier squadron / troop carrier squadron

troop headquarters section

headquarters and headquarters battalion (HHBN)

battalion headquarters detachment

headquarters and service battery

assault helicopter company / troop

headquarters company and band

security company / detachment

battery headquarters

headquarters battery

battalion headquarters battery

battalion headquarters battery radar

battery headquarters platoon

company headquarters

headquarters company

combat command headquarters company

company headquarters section

launching battery (missile battery)

battery coolant unit / battery-coolant unit (BCU)

automated troop command and control system

transportation and troop movement

aerial reconnaissance and security troop

company tactical group / company tactical team

administrative company / administrative support company

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

air cavalry troop

armored cavalry troop

attack helicopter troop

cavalry troop

engineer troop unit

non-NATO troop contributing nation (NNTCN)