danger close

dan runner

data block

date-time group

datum dan buoy

day air defense fighter

days

debarkation

Decca

deception

declared speed

deep supporting fire

defector

defense in depth

defense readiness condition

defense shipping authority

defensive fire

defensive mine countermeasures

deferred maintenance

degree of nuclear risk

demolition

demolition firing party

departure aerodrome

deployment

deployment operating base

derived information

description of target

designation of days and hours

detail

detection

detonating cord amplifier

detour

diaphragm

died of wounds received in action

direct damage assessment

direct fire

direction

directional radar prediction

direct support

diversion

doctrine

door bundle

doppler radar

dormant

doubtful

down

downgrade

drainage system

drawing key

drifting mine

drone

drop

dry gap bridge

dwell at/on

dynamic pressure