Word: gunmount
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Dates: during 1950-1959
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SURFACE-TO-AIR* missiles, designed to bring down enemy aircraft, are gracefully tapered objects, 10 to 15 ft. long and 1 ft. or less in diameter. They are launched from a kind of gunmount. On their tails they have four fixed fins arranged at right angles to one another. These keep the missile stable in flight, like the feathers of an arrow. The control surfaces are four small, triangular, movable fins one-third of the way back from the missile's nose. They can steer the missile, roll it and even give it lift, like an airplane in flight...
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