2D: two dimensional
AAD: Access to Archival Databases
AAFES: Army and Air Force Exchange Service
ABCS: Army Battle Command System
AC: Association Control
ACP: Allied Communications Publication
ADATP: Allied DATa processing Publication
ADI: Application Directory
ADPE: Automated Data Processing Equipment
AEP: Application Environment Profile
AFNET: Air Force Network
AIT: Automatic Identification Technology
AMHS: Automated Message Handling System
AMPE: Automated Message Processing Exchange
AOP: Aspect Oriented Programming
APM: Application Performance Management
ARC: Archival Research Catalog
ARMS: Automation Resources Management System
ARR: Automatic Repeat Request
ASIS: American Society for Industrial Security
ASP: Advanced Signal Processor
ASSR: Agreed Set of Security Rules
ATCA: Allied Tactical Communications Agency
ATP: Application Transaction Processing
ATR: Automatic Target Recognition
ATT: Attenuation

AV: audio visual
AVI: Advanced Visual Interface
AVT: Application Virtual Terminal
BAA: Broad Agency Announcement
BAO: Bruce Artwick Organization
BDE: Block Diagram Editor
BIC: bus interface controller
BIM: Bus Interface Model
BOM: Beginning Of Media
BPR: Business Process Reengineering
BRS: Business Recovery Services
BSA: Basic Service Arrangement
BSRF: Basic System Reference Frequency
C: client