UN Security Council
2009

vulnerable nuclear material from such risks within four years; 25. Calls upon all States to manage responsibly and minimize to the greatest extent that is technically and economically feasible the use of highly enriched uranium for civilian purposes, including by working to convert research reactors and radioisotope production processes to the use of low enriched uranium fuels and targets; 09-52374 5 S/RES/1887 (2009) 26. Calls upon all States to improve their national capabilities to detect, deter, and disrupt illicit trafficking in nuclear materials throughout their territories, and calls upon those States in a position to do so to work to enhance international partnerships and capacity building in this regard; 27. Urges all States to take all appropriate national measures in accordance with their national authorities and legislation, and consistent with international law, to prevent proliferation financing and shipments, to strengthen export controls, to secure sensitive materials, and to control access to intangible transfers of technology; 28. Declares its resolve to monitor closely any situations involving the proliferation of nuclear weapons, their means of delivery or related material,