Army Staff Sgt Derrick Brooks, stands in for President-elect Barack Obama during a rehearsal for the inaugural swearing in ceremonies as he stands with Navy Yeoman 1st Class LaSean McCray (2nd L) standing in for Michelle Obama, Gianna Samora-Nixon standing in for Sasha Obama (2nd R) and Dominique Sewell standing in for Malia Obama (R) 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. [Agencies]