спостерігач оптичної розвідки
flash to bang / flash-to-bang (time)
flash-ranging (location), flash-spotting
forward observer (FO), forward observation officer; (artillery) observer / spotter
gun spotter
gunnery spotter
spotter plane
atom spotter
spotter helicopter
spotter-director helicopter
spotter-drone
air gun spotter
air gunnery spotter
spotter reconnaissance plane
spotter-tracer round
spotter
artillery spotter
flash (precedence)
flash a signal
flash burn
flash flood
flash fuse
flash hood
flash suppressor / guard / eliminator / hider / cone
flash-bang grenade
flash-blindness
heat flash
optical flash
organizational flash
shoulder flash / mark / patch
stun grenade / flash grenade / flashbang / thunderflash / sound bomb
flash reducer
flash reducer wad