засічка вогневих засобів за спалахами пострілів
flash-ranging location
echo location/echo ranging
sound ranging (artillery sound ranging)
flash-spotting observation post
flash-spotting post
flash-spotting section
flash spotting
flash-ranging platoon
flash-ranging adjustment
flash-ranging base
flash-ranging central
flash-ranging crewman
flash-ranging station
flash ranging
flash to bang / flash-to-bang (time)
mine spotting
spotting and reconnaissance aviation
spotting points
deviation spotting
bilateral spotting, horizontal base method
reconnaissance spotting helicopter
bilateral spotting
vertical spotting
flank spotting
aerial spotting operation
aerial spotting
axial observation spotting
magnitude spotting
target spotting mission
target-spotting mission
target-spotting prediction plate
single-station spotting