The Department of Homeland Security (DHS) on Monday said it is expanding its urban area nuclear security program to two new cities, Houston and Chicago, bringing to five the number of regions in the United States where the department and local authorities are stepping up efforts to improve the nation’s capabilities to detect and protect against radiological and nuclear threats.DHS said that the initial award to Houston provides $3.5 million to begin the region’s planning and analysis this year under…
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