57th Presidential Inaugural Parade practice
The U.S Air Force Band practices for the 57th Presidential Inaugural Parade Jan. 10, 2013, at Joint Base Andrews, Md. Appoximately 15,000 military personnel from 133 units will be participating in the parade January 21, 2013. (U.S. Air Force Photo/Staff Sgt. Perry Aston)

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Photo by: Unknown |  VIRIN: 130110-F-MG591-002.JPG