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Photos

Snapshots of what’s happening in the Defense Department.

The Army's 3rd U.S. Infantry Regiment, known as as "The Old Guard," marches as part of the president's escort in the inauguration parade for the 57th Inaugural Day events in Washington, D.C., Jan. 21, 2013. More than 2,100 service members from each of the five branches are marching in the parade, with about 5,000 additional troops supporting inaugural festivities.

PRESIDENT'S ESCORT

The Army's 3rd U.S. Infantry Regiment, known as as "The Old Guard," marches as part of the president's escort in the inauguration parade for the 57th Inaugural Day events in Washington, D.C., Jan. 21, 2013. More than 2,100 service members from each of the five branches are marching in the parade, with about 5,000 additional troops supporting inaugural festivities.

Photo Gallery