Army Staff Sgt Derrick Brooks salutes as he stands in for President-elect Barack Obama during a rehearsal for the inaugural swearing-in ceremonies on the West Front of the US Capitol in Washington, January 11, 2009. Sgt. Brooks, who has been deployed in both Iraq and Afghanistan was one of more than 3,000 participants in the inaugural rehearsal before Obama is sworn-in on January 20. [Agencies]
