a. The term, guided missile, refers to a missile directed to its target while in flight or motion, either by a preset or self-reacting device within the missile or by radio command outside the missile, or through wire linkage to the missile.

b. Guided missiles are shipped completely assembled and ready for use, or in major components which must be assembled in the field. In general, a guided missile is composed of the seven basic components illustrated in figure 12-1 and defined below:

(1) Aerodynamic structure-The design and fabrication of the missile body.

(2) Control system-The pilot component which keeps the missile in a stable flight attitude and makes changes in course direction and altitude in response to signals from the guidance system. The control system operates the control surfaces and the propulsion unit.

(3) Guidance system-The source of continuous target intelligence (course data) that guides the missile to its target.

(4) Propulsion system-The power supply for the missile.

(5) Warhead-The component which carries the payload. The mission of a guided missile is delivery of the warhead with maximum effect on its target.

(1) Aerodynamic structure-The design and fabrication of the missile body.

Figure 12-1. Typical guided missile showing location of components.

(6) Safety and arming device-The component which causes the warhead to function at the time and under the circumstances desired.

(7) Electrical power system-The source of electricity for operation of guidance, control, and safety and arming systems.

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