This article is about guided missiles. Unsourced material may be challenged and removed. In ordinary British-English usage predating guided weapons, a missile is such as objects thrown at players by rowdy spectators at active radar homing misiles pdf sporting event.
However, these early systems in World War II were only built in small numbers. Missiles may be targeted in a number of ways. The picture may be used either by a human operator who steers the missile onto its target or by a computer doing much the same job. Some missiles also have a home-on-jam capability to guide itself to a radar-emitting source.