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Prepping a glider

John Lund, left, and Ben Hodges work in the glider lab on a Spray glider, an autonomous underwater vehicle, or AUV. The Spray glider—about six and a half feet long with a wingspan of nearly four feet—will be deployed in April in the Grand Banks off the coast of Newfoundland in order to study the Labrador Current.
(Photo by Tom Kleindinst, Woods Hole Oceanographic Institution)