оперативна група
headquarters and headquarters battery / company / detachment / troop (HHB / HHC / HHD/ HHT)
headquarters and headquarters battalion (HHBN)
helium nucleus
nucleus (pl. nuclei)
condensation nucleus
freezing nucleus
ice nucleus
radio(active) nucleus
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 rear echelon net
headquarters section
higher headquarters (HHQ)
intermediate headquarters
Joint Headquarters (JHQ)