(Oct. 6) -U.S. and Australian navy personnel conduct a security sweep of a ship in 2009 as part of an exercise under the Proliferation Security Initiative, a program aimed at intercepting illicit WMD transfers. Concerns over legislation proposed by the Obama administration for complying with four international nuclear security and counterterrorism pacts might prompt lawmakers to develop a counterproposal, the top Democrat on a key congressional committee suggested on Wednesday (U.S. Defense Department photo).
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