United States Department Of Defense

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In a photo provided by the Defense Department, Defense Secretary Robert M. Gates, left, meets with Korean Minister of National Defense Kim Tae Young, right, in Seoul South Korea, Tuesday, July 20, 2010. (AP Photo/Cherie Cullen)

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In this photo provided by the Department of Defense, former Defense Secretary Donald H. Rumsfeld stands next to his official portrait during the unveiling ceremony at the Pentagon, in Arlington, Va. Friday June 25, 2010. (AP Photo/DOD, Cherie Cullen)

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In this photo provided by the Department of Defense, Defense Secretary Robert M. Gates, right, and former Defense Secretary Donald H. Rumsfeld walk to Mr. Rumsfeld's portrait unveiling ceremony at the Pentagon, in Arlington, Va. Friday June 25, 2010. (AP Photo/DOD, Cherie Cullen)

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In this photo provided by the Department of Defense, former Defense Secretary Donald H. Rumsfeld smiles as Defense Secretary Robert M. Gates, right, addresses the audience during Mr. Rumsfeld's portrait unveiling ceremony at the Pentagon, in Arlington, Va. Friday June 25, 2010. (AP Photo/DOD, Cherie Cullen)

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In this photo provided by the Department of Defense, Defense Secretary Robert M. Gates, right, addresses the audience while former Defense Secretary Donald H. Rumsfeld looks on during Mr. Rumsfeld's portrait unveiling ceremony at the Pentagon, in Arlington, Va. Friday June 25, 2010. (AP Photo/DOD, Cherie Cullen)

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In this photo provided by the Department of Defense, former Defense Secretary Donald H. Rumsfeld talks to members of the audience with Defense Secretary Robert M. Gates, right, at his side and flanked by both of Rumsfeld portraits during the unveiling ceremony of the second one at the Pentagon, in Arlington, Va. Friday June 25, 2010. Mr. Rumsfeld served as secretary of defense under President Gerald Ford from 1975 to 1977 and under President George W. Bush from 2001 to 2006. (AP Photo/DOD, Cherie Cullen)

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Joint Chiefs Chairman Adm. Mike Mullen, left, and Defense Secretary Robert Gates, right, testify on Capitol Hill in Washington, Wednesday, June 16, 2010, before the Senate Appropriations Committee hearing on the Defense Department's fiscal 2011 budget. (AP Photo/Pablo Martinez Monsivais)

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Senate Committee Appropriations Chairman Sen. Daniel Inouye, D-Hawaii, left, talks with Defense Secretary Robert Gates, on Capitol Hill in Washington, Wednesday, June 16, 2010, before the start of the committee's hearing on the Defense Department's fiscal 2011 budget. (AP Photo/Pablo Martinez Monsivais)

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Joint Chiefs Chairman Adm. Mike Mullen, left, and Defense Secretary Robert Gates, take their seats on Capitol Hill in Washington, Wednesday, June 16, 2010, prior to testifying before the Senate Appropriations Committee hearing on the Defense Department's fiscal 2011 budget. (AP Photo/Pablo Martinez Monsivais)

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Joint Chiefs Chairman Adm. Mike Mullen, left, huddles with Defense Secretary Robert Gates on Capitol Hill in Washington, Wednesday, June 16, 2010, during the Senate Appropriations Committee on hearing on the Defense Department's fiscal 2011 budget. (AP Photo/Pablo Martinez Monsivais)

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From left, Joint Chiefs Chairman Adm. Mike Mullen, Defense Robert Gates and Pentagon Comptroller Robert Hale, testify on Capitol Hill in Washington, Wednesday, June 16, 2010, before the Senate Appropriations Committee hearing on the Defense Department's fiscal 2011 budget. (AP Photo/Pablo Martinez Monsivais)

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** FILE ** Gary McKinnon, shown in this file photo from 2009, is charged with breaking into computers belonging to NASA, the Department of Defense and several branches of the U.S. military. (Associated Press)