Trucks are seen reflected making their way through the Advanced Spectroscopic Portal (ASP) at the New York Container Terminal in New York April 11, 2007. The U.S. Department of Homeland Security, Domestic Nuclear Detection Office (DNDO) is testing the performance of the ASP's ability to detect and report unauthorized attempts to import, store, develop, or transport nuclear and radiological material for use against the United States in a stream of commerce at the New York Container Terminal in partnership with U.S. Customs and Border Protection. REUTERS/Shannon Stapleton (UNITED STATES)