Drug Enforcement Administration 
Drug Enforcement Agency 
Data Encryption Algorithm 
Data Envelopment Analysis 
Data Exchange Agreement 
Department of Economic Affairs 
Detector Electronics Assembly 
dissociative electron attachment 
Data Exchange Annex 
Dependents' Educational Assistance 
Development Education Association 
Direct Eigenspace Assignment 
aerospace drift error 
Daily Equivalent Amplitude 
Dark Etching Area 
Data Encription Algorithm 
David Evans and Associates, Inc. 
Davis Education Association 
Davison Education Association 
deethylatrazine 
Dehydroepiandrosterone 
Delegated Engineering Authority 
Delegated Examining Authority 
Delta Aerotaxi 
Denitrification enzyme activity 
Department of Egyptian Antiquities 
Department of External Affairs 
Deployed Electronics Assembly 
Deployment Excellence Award 
Deployment Excellence Awards