stand-by headquarters ship

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

headquarters and headquarters battalion (HHBN)

amphibious group headquarters ship

lead ship / name ship / class leader

active component headquarters

battery 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 and service battery

headquarters battery

headquarters company

headquarters company and band

headquarters echelon

headquarters landing craft

headquarters light scout car

headquarters nucleus

headquarters rear echelon net

headquarters section

higher headquarters (HHQ)

intermediate headquarters

Joint Headquarters (JHQ)

main headquarters

maneuver headquarters

NATO Headquarters Consultation, Command and Control Staff (NHQC3S)