Смотреть больше слов в «Англо-русском экономическом словаре»
орг.межд. эк. сокр. от Group of Three
G-3: translationArmy or Marine Corps component operations staff officer (Army division or higher staff, Marine Corps brigade or higher staff)
G3: translation The world's leading industrial nations - Germany, Japan and the USA.
сокр. от operations and training section (воен.)
сокр. от operations officer's estimate (воен.)