A court ruling found that four Singaporeans, Lim Kow Seng, Lim Yong Nam, Hia Soo Gan Benson, and Wong Yuh Lan, can be extradited to the United States to face charges relating to the smuggling of radio control devices to Iran, components of which were later found in improvised explosive devices in Iraq.  Between June 2007 and February 2008, according to the U.S. Justice Department, the defendants arranged the transportation through Singapore of five separate shipments of 6,000 military antennas and radio frequency modules.  The components were produced by a Minnesota company.  Once extradited, the defendants face charges of conspiracy to defraud the United States, smuggling, illegal export of goods from the U.S. to Iran, illegal export of defense articles from the U.S., false statements, and obstruction of justice.  A fifth defendant, Hossein Larijani, an Iranian, remains at large.