A Headquarters & Headquarters Squadron, abbreviated as H&HS or HQHQSQDN, is the headquarters entity for a United States Marine Corps aviation facility.
Organization
A H&HS usually consists of the headquarters group (the station commanding general or officer), the squadron headquarters (commanding officer and his staff), public affairs and journalism, facilities planning & maintenance, a motor pool, air traffic control, meteorology, fuels, ordnance, other aviation support, Aircraft Rescue and Firefighting, a Provost Marshal, the Station Judge Advocate's Office, some sort of United States Navy medical facility, and Marine Corps Community Service, which usually hosts things like a post exchange, a commissary, gas stations, barber shops, library, movie theater, family services, Single Marine Program, and the like.