Three Iranian-Americans arrived in Germany after leaving Tehran on Sunday in a prisoner swap that followed the lifting of most international sanctions on Iran under a deal U.S. President Barack Obama said cut off Tehran's path to a nuclear bomb.<br />In a sign of sustained readiness to track Iranian compliance with remaining United Nations curbs, the United States imposed fresh sanctions on 11 companies and individuals for supplying Iran's ballistic missile program.<br />The Obama administration had delayed the step for more than two weeks during tense negotiations to free five American prisoners, according to people familiar with the matter.<br />Iran conducted a precision-guided ballistic missile test last October, violating a U.N. ban.<br />Speaking after the released Americans had left Iran, Obama said Iran now would not "get its hands on a nuclear bomb" and the planet would be more secure.
