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WASHINGTON, DC - March 31: Defense Secretary Robert M. Gates and Joint Chiefs of Staff Chairman Adm. Mike Mullen testify during the Senate Armed Services hearing on the situation in Libya. (Photo by Scott J. Ferrell/Congressional Quarterly)

WASHINGTON, DC - March 31: Defense Secretary Robert M. Gates and Joint Chiefs of Staff Chairman Adm. Mike Mullen testify during the Senate Armed Services hearing on the situation in Libya. (Photo by Scott J. Ferrell/Congressional Quarterly)

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