AAP: Air to air Missile
AAP: Aircraft acceptance Park
AAP: Army Aircraft Park
AAP&SS: Australian Army Printing and Stationery Service
AAPC: Anti Aircraft Practice Camp
AAPC: Australian Army Pay Corps
AAR: Active Array Radar
AAR: After Action Report
AAR: After Action Review
AAR: After-Action Review
AAR: Air to Air Refueling
AAR: Air-to-Air Refueling
AARC: All Arms Recruit Course
AARG: Affordable Accurate Robot Guidance
AARGM: Advanced Anti-Radiation Guided Missile
AARM: Advanced Anti-Radiation Missile
AAS: Air Armament School
AAS: Analyst Automation Segment
AASC: Australian Army Service Corps
AASF: Advanced Air Striking Force
AASHTO: American Association of State Highway and Transportation Officials
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: Aerospace Basic Course