general headquarters reserve artillery

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

headquarters and headquarters battalion (HHBN)

inactive Reserve (Individual Ready Reserve [IRR])

general headquarters (GHQ)

general headquarters antiaircraft troops

field artillery headquarters

Supreme Command Reserve artillery

artillery reserve

Coast Artillery Corps Reserve

field artillery reserve and training center

general officer commanding, Royal Artillery

main artillery (major caliber artillery)

artillery and rocket artillery

active component headquarters

battery headquarters

combined headquarters/staff

command headquarters

company headquarters

Corps Support Command Headquarters (COSCOM HQ)

division headquarters

division traffic control headquarters

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