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deployment line; line of deployment (LD); line of departure
fly
fly blind
fly talk
flypast (fly-past)
no-fly zone; air exclusion zone
fly a mission
fly circuitous routes
fly in formation
fly missions
fly-ball type governor
fly back
fly-by-wire control
fly-by-light control system
fly-by-wire control system
fly-by-wire system
fly-by-wire (FBW)
fly above the weather
fly weather
fly a relay
fly totally black
observer-target line (OT line)
scheme trail line (tag line)
armistice demarcation line
beyond line-of-sight (BLOS)
bulk distribution line
cease-fire line (CFL)
combat outpost line
confrontation line
contact line
contamination control line
contour line (contour)