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Spare Part

R/V Tioga first mate Ian Hanley (left) and senior engineering assistant Jim Dunn prepare a hydrophone buoy for deployment on the stern of Tioga in March. The buoy is part of a network of hydrophones placed along the shipping lanes to Boston Harbor and in Cape Cod Bay to listen for the sounds of right whales and protect the endangered animals from ship strikes. Earlier in the year, one of the buoys broke loose during a storm and the small team hurried out in Tioga to recover it. This buoy is its replacement. (Photo by Ken Kostel, Woods Hole Oceanographic Institution)