40-Millimeter Illuminating and Smoke Cartridges. Forty-millimeter illuminating and smoke rounds are used
for illumination and for signaling. Examples of these rounds are shown in Figure 2-19.
Figure 2-19. 40mm illuminating and smoke rounds.
The illuminating series includes the M583A1 white star parachute (DODIC B535), the M661 green star (DODIC
B504), and the M662 red star (DODIC B505). These items have aluminum bodies with plastic ogives. The plastic
ogives are embossed with raised lettering for nighttime identification. They are used with the M79 or the M203
only. They are fired from the weapon by a percussion primer, and they function in the air after a delay of
approximately five seconds. The color code for these items is a white body with black markings.
The M676 smoke round is designed to mark the position of personnel located beneath moderately thick foliage for
aerial observation. Its body is constructed of aluminum, and it also
MM0145
2-26
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