Pentagon

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Defense Secretary Robert Gates, left, and Joint Chiefs Chairman Adm. Mike Mullen, speak to reporters on gays in the military, Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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Defense Secretary Robert Gates, left, and Joint Chiefs Chairman Adm. Mike Mullen, speak to reporters on gays in the military, Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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Defense Secretary Robert Gates, left, and Joint Chiefs Chairman Adm. Mike Mullen, speak to reporters on gays in the military, Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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Defense Secretary Robert Gates, and Joints Chiefs Chairman Adm. Mike Mullen, speak to reporters on gays in the military, Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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** FILE ** Joint Chiefs Chairman Adm. Mike Mullen speaks to reporters on Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

Pentagon military and civilian staff members listen as Defense Secretary Robert Gates and Joint Chiefs Chairman Adm. Mike Mullen, speak to reporters on gays in the military, Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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Pentagon General Counsel Jeh Johnson, left, and Army Gen. Carter Ham, speak to reporters on gays in the military, Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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A report of a Pentagon survey on the issues associated with a repeal of "Don't Ask, Don't Tell" is seen on a table,at the Pentagon, Tuesday, Nov. 30, 2010, after Defense Secretary Robert Gates and Joint Chiefs Chairman Adm. Mike Mullen spoke to reporters on gays in the military. (AP Photo/Charles Dharapak)

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Defense Secretary Robert M. Gates and Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, speak to reporters on gays in the military on Tuesday, Nov. 30, 2010, at the Pentagon. (AP Photo/Charles Dharapak)

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Joint Chiefs Vice Chairman Gen. James Cartwright outlines the Defense Department's fiscal year 2010 budget request during a news conference at the Pentagon in Arlington, Virginia, on April 6, 2009. (UPI Photo/Roger L. Wollenberg)

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President Obama is seen here Sept. 11 with Joint Chiefs Chairman Adm. Mike Mullen (left) and Secretary of Defense Robert M. Gates at the Pentagon Memorial marking the ninth anniversary of the 9/11 attacks. (Associated Press)

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This image made from a gun camera video released during a Pentagon Briefing in Washington on Thursday, Oct. 11, 2001, shows an explosion during a strike by U.S. forces on a surface to air missile site located inside Afghanistan. (AP Photo/Department of Defense, File)

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** FILE ** In a Tuesday, May 19, 2009, photo, former Defense Secretary Donald H. Rumsfeld attends a corridor dedication ceremony at the Pentagon. (AP Photo/Haraz N. Ghanbari, File)

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ASSOCIATED PRESS GUNG-HO: Rep. Duncan Hunter, a Marine Corps reservist, is pleased that the Pentagon is building up a special task force to thwart deadly IEDs in Afghanistan.

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President Barack Obama, flanked by Defense Secretary Robert Gates, right, and Joint Chiefs Chairman Adm. Michael Mullen, at the Pentagon Memorial, marking the ninth anniversary of the September 11 attacks, Saturday, Sept. 11, 2010. (AP Photo/Charles Dharapak)