amphibious group headquarters ship

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

headquarters and headquarters battalion (HHBN)

amphibious warfare headquarters

stand-by headquarters ship

amphibious assault ship (LHA)

amphibious cargo ship

amphibious command ship (LCC)

amphibious ship

amphibious warfare ship (LPD)

helicopter amphibious assault ship

amphibious dock ship

Amphibious Ready Group (ARG)

engineer amphibious group

cruising disposition of ships in an amphibious group

dispersal of amphibious group on passage

amphibious control group

amphibious group

amphibious support group

lead ship / name ship / class leader

navy group; naval group

Ukraine Defense Contact Group (UDCG) / Ramstein group

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)