Designed Operational Capability 
Department of Commerce 
Dynamic Overload Control 
Department of Conservation 
dissolved organic carbon 
Distributed Object Computing 
DATA OPTIMIZING COMPUTER 
Department of Communications 
Department of Corrections 
Discipline Operations Center 
drug of choice 
Data Operations Center 
Data Operations Control 
Data Operations Controller 
Decimal-to-Octal Conversion 
Declaration Of Conformity 
Delayed Opening Chaff 
Designated Operational Coverage 
DIESEL OXIDATION CATALYST 
DIRECT OPERATING COST 
Direct Operating Costs 
Direct Operation Costs 
doctor 
document 
Documentation 
Documentation of Compliance 
Drop-Out Compensation 
Counterdrug 
date of confinement 
Davis Observation Code