AAS: Analyst Automation Segment
AASC: Australian Army Service Corps
AASF: Advanced Air Striking Force
AASL: Anti-aircraft Searchlight
AASLT: Air Assault
AAT: Armored Assault Tank
AATE: Air Armament trials Establishment
AATS: Automated Architecture Tool Suite
AATS: Automated Architecture Tool Support
AATT&DC: Army Air Transport Training & Development Center
AATTF: Anti-Aircraft and Target Towing Flight
AAU: Air Ambulance Unit
AAU: Aircraft Acceptance Unit
AAU: Aircraft Assembly Unit
AAVC: Australian Army Veterinary Corps
AAVS: Aerospace Audiovisual Service
AAW: Anti Air Warfare
AAW: anti-air warfare
AAWC: Anti Air Warfare Commander
AB: Air Base
AB2: ABCS Brigade and Below
ABC: Airborne Cigar
ABC: Airborne Corps
ABCCC: Airborne Battlefield Command and Control Center
ABCOMM: Alternate/Backup Communications
ABCS: Army Battle Command System
ABD: Airborne Ballistics Division
ABE: Arm-based electronics
ABET: Accreditation Board for Engineering & Technology
ABGS: Air Bombing & Gunnery School
ABIC: Army Battlefield Interface Concept
ABIT: Airborne Imagery Transmission
ABIT: Airborne Information Transmission
ABM: Air Breathing Missile
ABM: AntiBallistic Missile
ABM: Anti-Ballistic Missile
ABM: Automatic Building Machines
ABMA: Army Ballistic Missile Agency
Abn: Airborne
ABNCP: Airborne National Command Post