age group

age limit for military service

age of moon

draft age

sex and age disaggregated data (SADD)

use age

age bracket

age hump

age limit

age-in-grade requirement

air cover(age)

navy group; naval group

Ukraine Defense Contact Group (UDCG) / Ramstein group

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)