Office of the Director of National Intelligence, Intelligence Community Policy Memorandum Number 2005-900-2: Director of National Intelligence National Counterproliferation Center [open pdf - 2MB]
"The National Counterproliferation Center (NCPC) is the primary organization within the US Government for managing, coordinating, and integrating Intelligence Community planning, collection, exploitation, analysis, interdiction, and other activities related to the proliferation of weapons of mass destruction, their delivery systems, and related materials and technologies and intelligence support to efforts to prevent or impede such proliferation. As Mission Manager for Counterproliferation (reference Intelligence Community Policy Memorandum 2005-900-1 ), the Director of NCPC serves as the principal advisor to the Director of National Intelligence (DNI) on issues relating to the overall strategy of the Intelligence Community regarding proliferation."
Intelligence Community Policy Memorandum No. 2005-900-2; ICPM 2005-900-2
Office of the Director of National Intelligence: http://www.dni.gov/