DROP (fire adjustment)

dead drop / dead-drop exchange

drop head body (drop-head body)

slant fire; diagonal fire; oblique fire; fire to the oblique

drop fire mortar

drop fire (on)

fire adjustment

bracketing method (of fire adjustment)

LASE (fire adjustment command)

adjustment of fire

adjustment fire

MARK (fire adjustment command)

calibration adjustment (fire)

smoke-adjustment fire

target-grid method of fire adjustment

approximate adjustment fire

fire for adjustment

fire for powder charge adjustment

fire adjustment board

calibration adjustment [fire]

fire control orders (FCO) ('Hold Fire', 'Cease Fire' and 'Engage')

selector lever, fire selector, fire switch, fire selector switch

air drop

drop bolt

drop tank

drop zone (DZ)

drop-off point (DOP)

free fall air drop

gravity drop

heavy drop resupply

high-velocity drop

low-velocity drop

minimum pressure drop