Army Staff Sgt Derrick Brooks (L) stands in for President-elect Barack Obama and Army Spc Nicholas Rupple, representing Vice President-elect Joe Biden, salute during a rehearsal for the inaugural swearing-in ceremonies on the West Front of the Capitol Building in Washington, January 11, 2009. Barack Obama is scheduled to be sworn-in as the 44th President of the United States on January 20. [Agencies]