If the Soviets were unconcerned about U.S. space progress, they might well have been jolted on another front last week when the Polaris missile lifted out of the Pacific on its first successful launching from underwater.
The big (28 ft.) yellow-and-black bird was fired from a launching tube some 200 ft. below the surface off Southern California's San Clemente Island. At the press of a button in an island blockhouse, a blast of compressed air pushed the Polaris to the surface. As soon as it splashed out of the water and climbed to just 15 ft., a short charge...
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