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After traveling 7,300 miles over 221 days, the 7-foot-long Scarlet Knight aquatic glider was picked up off the coast of Spain in December by divers aboard the Spanish Vessel Investigador. It was the first unmanned underwater glider to successfully cross the Atlantic Ocean. The ocean observing community celebrated the successful mission on December 9, in Baiona, Spain, the port town where Christopher Columbus’s crew announced the existence of the New World. In the bottom right photo, Spanish school children admire the 7-foot-long, 135-pound glider.