Beam-riding, also known as Line-Of-Sight Beam Riding (LOSBR) or beam guidance, is a technique of directing a missile to its target by means of radar or a laser beam. The name refers to the way the missile flies down the guidance beam, which is aimed at the target. It is one of the simplest guidance systems and was widely used on early missile systems, however it had a number of disadvantages and is now found typically only in short-range roles.
https://wikimili.com/en/Beam_riding
Beam riding.....
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USS LONG BEACH, 1968, MiG kill, 65nm, RIM-8 Talos