500-2,500 655


(2) Flares. A flare produces illumination, generally of high candlepower and substantial duration. Flares may be parachute supported, towed or stationary, while their primary function is illumination, they may be used for identification, ignition, locating, or warning.

(3) Signals. There are two types of effects obtained with signals: light and smoke. A particular model may produce both effects. Light producing signals are much smaller and faster burning than flares. They may consist of a single parachute-supported star or one to five freely falling stars, with or without colored tracers. Smoke signals are of either the slow-burning, streamer type, which leaves a trail of smoke, or the parachute-suspended type, which produces a cloud of smoke.

(4) Simulators. Simulators, which duplicate battle sounds and flashes of light produced by service items of ammunition, are designed for use in training.

(5) Miscellaneous types. Pyrotechnics other than those in (1) through (4), above, have a variety of uses.

(a) In illuminating artillery ammunition, the pyrotechnic elements are assembled in artillery projectile bodies. The projectiles are used in conjunction with other artillery ammunition (TM 43-0001- B 28. ■

(b) Smoke grenades have the form of high-explosives hand and rifle grenades but resemble smoke signals in effect (TM 9-1330-200-12 and TM 91330-200-34).

e. Precautions. Pyrotechnic compositions contain materials of a hazardous nature. Although the ingredients themselves may be relatively stable, any one of them may, in time, react with

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