The crew of the Coast Guard Cutter Katherine Walker, home-ported in Bayonne, New Jersey, repurposes concrete weights to be used in the construction of an artificial reef off the coast of Fire Island, New York, March 8, 2016. The Katherine Walker's primary mission is maintaining over 300 floating aids to navigation in & around New York harbor & its approaches, Long Island Sound, the Hudson & East Rivers, & other waters along the Connecticut, New York, & New Jersey coastlines.