57th Presidential Inaugural Parade practice
The U.S. Air Force Honor Guard practices for the 57th Presidential Inaugural Parade Jan. 11, 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 by Staff Sgt. Perry Aston)

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Photo by: Staff Sgt. Perry Aston |  VIRIN: 130111-F-MG591-029.JPG