fire on fixed line

deployment line; line of deployment (LD); line of departure

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

fire on a fixed target

fixed defensive fire

fixed fire

fixed fire bottle

fixed fire command

from a fixed fire position

fixed blocking fire

fire short of the no fire line

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

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

observer-target line (OT line)

scheme trail line (tag line)

360° fixed radar

fixed

fixed ammunition

fixed and floating bridge

fixed artillery

fixed bridge

fixed facilities

fixed frame metal detector

fixed frequency channel

fixed installations

fixed post

fixed span

fixed wire entanglement

fixed-orbit satellite

fixed-wing aircraft

naval operating base (fixed or temporary)

fixed position defense

fixed price contract