Autumn Tree Armored Combat Company秋天树上装甲作战的公司 Alternate Tactical Air Control Center交替的战术飞行控制中心 Alternate Tanker Airlift Control Center交替的油轮空运控制中心 Advanced Tactical Air Command Central先进的战术飞行指挥中心 Advanced Tactical Air Command Center (USMC)先进的战术飞行指挥中心(符合美国海军陆战队的) Anaesthesia Trauma And Critical Care麻醉创伤、重症监护