Figure lii. Military symbol» applicable to thé caliber ¿0 mavhinegun.
is recorded on the sketch for security reasons (ftff 146).
k. Obtain data to target areas. (1) When a final protective line is assigned, determine the maximum extent of grazing fire on this line, then draw a solid line in extension to the basic symbol for the machinegun. This line ends in an arrowhead. Sketch a shaded blade on the inside of the final protective line to represent the extent of grazing fire. If the final protective line has deadspace, breaks are left in the shaded blade
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