The USACE New York Harbor is authorized to collect, remove, and dispose of drift, derelict vessels, deteriorated shore structures, and debris along the shores of New York Harbor and its tributary waterways. Drift consists of various materials carried by currents and winds and collects in streaks throughout the harbor. The drift collection fleet includes three vessels - the Hayward, Driftmaster, and Gelberman - as well as three patrol boats that assist in collection. In fiscal year 2013, 674,000 cubic feet of drift and floatables were collected, avoiding $25 million in damages. Collection of floatables also prevents pollution of New Jersey and New York beaches.