Disability Discrimination Act 
Domain Defined Attribute 
Digital Differential Analyzer 
Distributed Data Access 
Dedicated Digital Access 
Defense Data Architecture 
Demand Deposit Account 
Deployment Drive Assembly 
Deputy Director for Administration 
designated development activity 
Designated Disposition Authority 
Digital Differential Analyser 
discrete dipole approximation 
D & D Aviation 
DAFS Database Accelerator 
Dangerous Drugs Act 
Data Delivery Acknowledgement 
Data descriptive area 
Data Differential Analyzer 
Data Distribution Assembly 
Defence Diversification Agency 
Defined Display Area 
degree of deacetylation 
Delta Direct Access 
Demand Deposit Accounts 
Department for Disarmament Affairs 
Departure Date Adjustment 
Depreciation, Depletion and Amortizati… 
Depth-Duration-Area 
Descriptive Data Analysis