Binary Coded Decimal 
Bad Conduct Discharge 
Battlefield Coordination Detachment 
Binary Code Decimal 
Boot Configuration Data 
Buoyancy Control Device 
Baseline Configuration Document 
Blocked Call Delayed 
Blue Compact Dwarf 
Buoyancy Compensator Device 
Barrels per Calendar Day 
Battelle Columbus Division 
Baylor College of Dentistry 
Board Certified Diplomate 
Bone Cell Development 
Budget Change Document 
Burst Channel Demodulator 
bacterial cytosine deaminase 
Banking Control Department 
Barrel Per Day, on Calendar Days 
basal cell density 
Base-Catalyzed Destruction 
Baseline Concept Description 
Baseline Control Document 
Basic Calibrated Data 
Battlefield Control Detachment 
Battlefield Coordination Detachments 
Bayside Community Day 
BEACON COMMAND DIPLEXER 
Beavers Conquer Ducks