So You Never Saw A Sub With Wings?

At the Riviera Beach (Fla.) marina, racing flags will be flying later this month. But you'll need an aqualung to watch. The June 15-23 event will be the second biannual race for human-powered submarines. Entrants must fit a pilot, a human pedal-pusher, air tanks, and a propulsion system intoa sub weighing 300 pounds or less.

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