flight direction

flight path direction

flight restriction zone / flight restricted zone (FRZ)

Air Force tactical air direction net

automatic combat direction system

compass direction

direction and control of the armed forces

direction finding (DF)

direction of attack

direction of the main blow

fire direction center (FDC)

forward direction center

group fire direction center

high frequency direction finder

indecisive direction

multifunctional radio control, direction finding and suppression system (portable) (MKRPP)

strategic direction

verbal direction

weapon direction equipment (WDE)

weapon direction system (WDS)

fire direction (FD)

tactical fire direction

technical fire direction

assume direction

passive direction finding (PDF)

principal direction of fire (PDF)

air defense direction center

auditory direction finder

awkward direction

base direction

direction dispersion rectangle

direction of break-through

direction range