Nuclear. More than ten years of sanctions and the loss of much of Iraq's physical nuclear infrastructure under IAEA oversight have not diminished Saddam's interest in acquiring or developing nuclear weapons. Iraq's efforts to procure tens of thousands of proscribed high-strength aluminum tubes were of significant concern. All intelligence experts agreed that Iraq remained intent on acquiring nuclear weapons and that these tubes, if modified, could be used in a centrifuge enrichment program. Most intelligence specialists assessed this to be the intended use, but some believed that these tubes were probably intended for use as casings for tactical rockets.