Albany – U.S. Senator Kirsten Gillibrand announced that the U.S. Department of the Interior is set to designate the USS Slater, one of the remaining World War II naval ships and only destroyer escort afloat in the United States, as a National Historic Landmark. Since last year, Senator Gillibrand has urged Secretary of the U.S. Department of the Interior Ken Salazar and the National Park System (NPS) Advisory Board Landmarks Committee to designate the site as a National Historic Landmark. “This is great news,” said Gillibrand. “Berthed in the Hudson River, the USS Slater is the only World War II-era destroyer escort afloat in the United States. In her letter to U.S.