headquarters and service battery

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

headquarters and headquarters battalion (HHBN)

battery headquarters

headquarters battery

battalion headquarters battery

battalion headquarters battery radar

battery headquarters platoon

headquarters and service battalion

launching battery (missile battery)

battery coolant unit / battery-coolant unit (BCU)

service battery

headquarters company and band

NATO Headquarters Consultation, Command and Control Staff (NHQC3S)

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

instrumental observation and survey battery

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

active component headquarters

combined headquarters/staff

command headquarters

company headquarters

Corps Support Command Headquarters (COSCOM HQ)

division headquarters

division traffic control headquarters

general headquarters (GHQ)

general headquarters reserve artillery

Government Communications Headquarters (GCHQ)

headquarters (HQ, H.Q.)

headquarters company