Army & Military Abbreviations and Acronyms
- AAAnti-Aircraft
- AAAir Assault
- AAArmy Attache
- AAAanti-aircraft artillery "Triple A"
- AAAOBAntiaircraft Artillery Order of Battle
- AAAVAdvanced Amphibious Assault Vehicle
- AABNCPAdvanced Airborne National Command Post
- AACAlaskan Air Command
- AACBAeronautics & Astronautics Coordinating Board
- AACEArmy Alternate Command and Control Element
- AACOMSArmy Area Communications System
- AACSAttitude and Antenna Control Subsystem
- AADAnniston Army Depot
- AADAirborne Assault Division
- AADArmoured Amphibious Dozer
- AADCCSArea Air Defense Command and Control System
- AADPArea Air Defense Plan
- AADSAntiaircraft Defense System
- AAEArmy Acquisition Executive
- AAFESArmy and Air Force Exchange Service
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