flare gun

сигнальний пістолет, ракетниця (When the motorbikes got too close, we fired flare guns, warning them off. - Harry, The Duke of Sussex, Prince. Spare, p. 147)

decoy flare

flare bomb

heat flare

illuminating flare

trip-flare

colored flare

illuminating shell flare

flare up

chaff and flare dispenser

decoy flare / IR decoy, flares

flare pistol

flare pot

flare-out altitude

flare-out 

flare out

flare grenade

flare

water flare bomb

aerial flare

night bombing flare

tracking flare

reconnaissance flare

smoke flare

aircraft flare

cluster flare

IR decoy / decoy flare

parachute trip flare

parachute flare

magnesium flare bomb

L119 light gun (105 mm light gun)

submachine gun / sub-machine gun (SMG; smg)

gun control equipment / gun-control equipment (GCE)