service group

navy group; naval group

Ukraine Defense Contact Group (UDCG) / Ramstein group

working group on conditions of service

marine wing service group

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

Ad Hoc Group on Cooperation in Peacekeeping

Ad Hoc Steering Group on Weapons of Mass Destruction (NATO)

ad hoc working group

Ad Hoc Working Group on Small Arms and Light Weapons and Mine Action (NATO)

adapter group

airfoil group

Amphibious Ready Group (ARG)

antenna mast group (AMG)

army group

army group artillery

army group commander

attack group

barrel assembly (barrel group)

battalion tactical group (BTG) / task force

battle group / battlegroup (BG)

buffer and operating-rod group

carrier battle group

carrier strike force (group)

communications relay group (CRG)

computer-control group (CCG)

date-time group (DTG)

Depot Maintenance Actions Working Group (DMAWG)

engineer amphibious group