Deepest Breath

Twenty-one days after she submerged off Hong Kong, the new U.S. snorkel submarine Pickerel surfaced last week off Pearl Harbor, a quarter-way around the world. Her record: 5,200 undersea miles, with only the mouth of her snorkel breathing tube showing her trail on the surface. A few misgivings tempered the Navy's pride in its achievement: after all, Russia --equipped with a fleet of the latest snorkel subs of her own--could launch precisely the same kind of run from the coast of Communist China.

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